The University of Michigan
Department of Aerospace Engineering
| Plasmadynamics & Electric Propulsion Laboratory |
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PEPL Conference Publications

Any technical questions should be directed to the appropriate researcher or the PEPL director. Many of the papers below are available in Adobe Acrobat PDF format (download free Acrobat Reader here). If you see a paper number underlined, the PDF is available.

53rd AIAA/SAE/ASEE Joint Propulsion Conference, Atlanta, Georgia, July 10-12, 2017

T. A. Collard, J. P. Sheehan, and B. A. Jorns, " A Numerical Examination of the Performance of Small Magnetic Nozzle Thrusters," AIAA-2017-4721, presented at the 53rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Atlanta, GA, 2017.

Cusson, S.E., Jorns, B.A., and Gallimore, A.D., "Simple Model for Cathode Coupling Voltage Versus Background Pressure in a Hall Thrusters, AIAA-2017-4889, 53rd AIAA/SAE/ASEE Joint Propulsion Conference. Atlanta, GA.

Georgin, M.P., Byrne, M.P., Ciaston, N.E., Jorns, B.A., and Gallimore, A.D., "Passive High-speed Imaging of Ion Acoustic Turbulence in a Hollow Cathode", AIAA-2017-4973, 53rd AIAA/SAE/ASEE Joint Propulsion Conference. Atlanta, GA.

Hall, S.J., Jorns, B.A., Gallimore, A.D., and Hofer, R.R., "Expanded Thruster Mass Model Incorporating Nested Hall Thrusters", AIAA-2017-xxxx, 53rd AIAA/SAE/ASEE Joint Propulsion Conference. Atlanta, GA.

2016 Engineering Graduate Symposium, Ann Arbor, MI, October 30, 2016

Dale, E., Sheehan, J. P., and Gallimore, A., "Time-resolved Hall thruster plasma measurements using a high-speed Langmuir probe with sheath capacitance corrections", Poster , University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, November 11, 2016.

Georgin, M.P., Cusson S.E. , Dale, E.T., Dhaliwal, V., Gallimore, A.D., "Investigation of channel interactions in a nested Hall thruster", Poster , University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, November 11, 2016.

63rd Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting/11th MSS/9th LPS/8th SPS Joint Subcommittee Meeting

Dale, E.T., Gallimore, A.D., and Lobbia, R.B., "Time-resolved internal Hall thruster plasma measurements using a high-speed Langmuir probe", 63rd Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting/11th MSS/9th LPS/8th SPS Joint Subcommittee Meeting, Phoenix, AZ, December 5-8, 2016. (available by request)

Hall, S.J., Gallimore, A.D., and Viges, E., "Thrust Stand for Very-High-Power Hall Thrusters", 63rd Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting/11th MSS/9th LPS/8th SPS Joint Subcommittee Meeting, Phoenix, AZ, December 5-8, 2016. (available by request)

7th MIPSE Graduate Student Symposium

T. A. Collard and J. P. Sheehan, "Ion Initial Plume Characterization of the CubeSat Ambipolar Thruster,” presented at the 7th Annual Michigan Institute of Plasma Science and Engineering Graduate Student Symposium, Ann Arbor, MI, 2016.

Cusson, S.E, Georgin, M.P, Dale, E.T., Dhaliwal, V., and Gallimore, A.D., "Investigation of Channel Interactions in a Nested Hall Thruster," Poster , 7th MIPSE Graduate Student Symposium, Ann Arbor, MI, October 5, 2016.

Dale, E., Sheehan, J. P., and Gallimore, A., "Sheath Capacitance Effects in High-Speed Langmuir Probes," Poster , 7th MIPSE Graduate Student Symposium, Ann Arbor, MI, October 5, 2016.

43rd IEEE International Conference on Plasma Science

Cusson, S.E., Hall, S.J., Dale, E.T., and Gallimore, A.D., "Performance Analysis of Nested Hall Thrusters," Poster ,43rd IEEE International Conference on Plasma Science, Banff, Alberta, Canada, June 19-23, 2016.

Georgin, M.P., Dhaliwal, V., Gallimore, A.D., "Acceleration Region Measurements of the X2 Hall Thruster," Poster ,43rd IEEE International Conference on Plasma Science, Banff, Alberta, Canada, June 19-23, 2016.

52nd AIAA/SAE/ASEE Joint Propulsion Conference, Salt Lake City, Utah, July 25-27, 2016

T. A. Collard and J. P. Sheehan, "Preliminary Measurements of an Integrated Prototype of the CubeSat Ambipolar Thruster," AIAA-2016-5042, presented at the 52nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Salt Lake City, UT, 2016.

Cusson, S., Dale, E., and Gallimore, A., "Investigation of Channel Interactions in a Nested Hall Thruster Part II: Probes and Performance," AIAA-2016-5029 52nd AIAA/SAE/ASEE Joint Propulsion Conference, Salt Lake City, Utah, July 25-27, 2016.

Georgin, M.P., Dhaliwal, V., and Gallimore, A.D.,"Investigation of Channel Interactions in a Nested Hall Thruster Part I: Acceleration Region Velocimetry", AIAA 2016-5030 52nd AIAA/SAE/ASEE Joint Propulsion Conference. Salt Lake City, UT.

2015 Engineering Graduate Symposium, Ann Arbor, MI, October 30, 2015

Collard, T.A., Sheehan J.P, and Gallimore, A.D., "Ion Energetics of the Modes of the CubeSat Ambipolar Thruster", Poster , University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, October 30, 2015.

Ebersohn, F.H., Sheehan, J.P., Gallimore, A.D., and Shebalin, J.V., "Simulation of magnetic nozzle plasma rockets", Poster , University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, October 30, 2015.

Georgin, M.P., Durot, C., Gallimore, A.D., "Time-resolved ion velocity distribution measurements near the hollow cathode of a Hall thruster", Poster , University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, October 30, 2015.

68th Gaseous Electronics Conference, Honolulu, HI, October 12-16, 2015

Collard, T.A., Ebersohn, F.H., Sheehan J.P, and Gallimore, A.D., "Ion Acceleration Modes in a Miniature Helicon Thruster", Presentation , 68th Gaseous Electronics Conference, Honolulu, HI, October 12-16, 2015.

Ebersohn, F.H., Sheehan, J.P., Gallimore, A.D., and Shebalin, J.V., "Simulation of Magnetic Field Guided Plasma Expansion", Presentation , 68th Gaseous Electronics Conference, Honolulu, HI, October 12-16, 2015.

6th Michigan Institute for Plasma Science and Engineering Symposium, Ann Arbor, MI, October 7, 2015

Collard, T.A., Sheehan J.P, and Gallimore, A.D., "Ion Energetics of the Modes of the CubeSat Ambipolar Thruster", Poster , MIPSE Graduate Symposium, Ann Arbor, MI, October 7, 2015.

Dragnea, H.C., Hara, K., and Boyd, I.D., "Development of a 2D Axial-Radial Fluid Electron Model", Poster , MIPSE Graduate Symposium, Ann Arbor, MI, October 7, 2015.

Ebersohn, F.H., Sheehan, J.P., and Gallimore, A.D., and Shebalin, J.V., "Simulation of Magnetic Nozzle Plasma Thruster Expansion", Poster , MIPSE Graduate Symposium, Ann Arbor, MI, October 7, 2015.

Hall, S.J., Cusson, S.E., and Gallimore, A.D., "30-kW Constant-Current-Density Performance of a 100-kW-class Nested Hall Thruster", Poster , MIPSE Graduate Symposium, Ann Arbor, MI, October 7, 2015

34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015

Collard, T.A., Longmier, B.W., Gallimore, A.D., Sheehan J.P, "A Pressurized Inert-Gas Propellant Feed System for the CubeSat Ambipolar Thruster", IEPC 2015-364 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Dale, E.T., Sheehan, J.P., Gallimore, A.D., "High-Speeed Image Analysis and Filtered Imaging of Nested Hall Effect Thruster Oscillations", IEPC 2015-285 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Durot, C., Georgin, M.P., Gallimore, A.D., "Time-Resolved Laser-Induced Flourescence Measurements in the Plume of a 6-kW Hall Thruster", IEPC 2015-399 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Ebersohn, F.H., Sheehan, J.P., Gallimore, A.D., and Shebalin, J.V., "Quasi-One-Dimensional Particle-In-Cell Simulation of Magnetic Nozzles", IEPC 2015-357 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Georgin, M.P., Durot, C., Gallimore, A.D., "Effects of Magnetic Field Amplitude on the Near-Cathode Ion Velocity Distribution", IEPC 2015-106 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Hall, S.J., Cusson, S.E., Gallimore, A.D., "30-kW Performance of a 100-kW Class Nested-Channel Hall Thruster", IEPC 2015-125 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Reid, B., "Pragmatic, Emperically-Derived Corrections for Facility Effects in Performance and Plume Measurements of Hall Thrusters", IEPC 2015-362 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Sheehan, J.P., Collard, T.A., Ebersohn, F.H., Longmier, B.W., "Initial Operation of the CubeSat Ambipolar Thruster", IEPC 2015-243 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

Trent, K., Gallimore, A.D., "EEDF Control of a Hall Thruster Plasma Using a Downstream Reverse Orientation Cathode", IEPC 2015-41 , 34th International Electric Propulsion Conference, Kobe, Japan, July 6-10, 2015.

62nd Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting / 10th Modeling and Simulation / 8th Liquid Propulsion / 7th Spacecraft Propulsion Joint Subcommittee Meeting, Nashville, TN, June 1-5, 2015

Ebersohn, F.H., Sheehan, J.P., Longmier, B.W., Shebalin, J.V., "Particle-in-cell Simulation of Magnetic Nozzle Thrusters," 62 nd Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting/10th MSS/8th LPS/7th SPS Joint Subcommittee Meeting, Nashville, TN, June 1-5, 2015.

Hall, S.J., Florenz, R.E., Gallimore, A.D., Kamhawi, H., Brown, D.B., Peterson, P.Y., Polk, J.E., Hofer, R.R., "Design Details of a 100-kW class Nested-Channel Hall Thruster," 62 nd Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting/10th MSS/8th LPS/7th SPS Joint Subcommittee Meeting, Nashville, TN, June 1-5, 2015.

Trent, K., Gallimore, A.D., "Performance Analysis of a Hall Thruster With a Downstream Reverse Orientation Cathode," 62 nd Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting/10th MSS/8th LPS/7th SPS Joint Subcommittee Meeting, Nashville, TN, June 1-5, 2015.

20th Advanced Space Propulsion Workshop, Cleveland, OH, November 17-20, 2014

Dragnea, H.C, Boyd, I.D., Hall, S.J., and Gallimore, A.D., "Preliminary Results and Future Goals for a Simultaneous Characterization of a Nested-channel Hall Thruster in Experiment and Simulation", Presentation at Advanced Space Propulsion Workshop, Cleveland, OH, November 17, 2014.

University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, November 14, 2014

Collard, T., Sheehan, J.P., and Longmier, B.W., "Development of Novel Propellant Feed Systems for the CubeSat Ambipolar Thruster", Poster at 2014 University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, November 14, 2014.

Dragnea, H.C, and Boyd, I.D., "An Inner Channel Simulation of the X2 Nested Channel Hall Effect Thruster", Poster at 2014 University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, November 14, 2014.

Ebersohn, F.H., Sheehan, J.P., Longmier, B.W., and Shebalin, J.V., "Development and Validation of a Quasi-one-dimensional Particle-in-cell Code for Magnetic Nozzle Simulation", Poster at 2014 University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, November 14, 2014.

Hall, S., Florenz, R., and Gallimore, A., "Preliminary Observations of Channel Interaction in a 100-kW Class Nested-channel Hall Thruster", Poster at 2014 University of Michigan Engineering Graduate Symposium, Ann Arbor, MI, November 14, 2014.

5th Michigan Institute for Plasma Science and Engineering Student Symposium, Ann Arbor, MI, October 8, 2014

Dragnea, H.C, Boyd, I.D., and Gallimore, A.D., "The X2 Nested Channel Hall Effect Thruster: an Inner Channel Simulation", Poster at 5th MIPSE Graduate Symposium, Ann Arbor, MI, October 8, 2014.

Ebersohn, F.H., Sheehan, J.P., Longmier, B.W., and Shebalin, J.V., "Development and Validation of a Quasi-one-dimensional Particle-in-cell Code for Magnetic Nozzle Simulation", Poster at 5th MIPSE Graduate Symposium, Ann Arbor, MI, October 8, 2014.

Hall, S., Florenz, R., and Gallimore, A., "Preliminary Observations of Channel Interaction in a 100-kW Class Nested-channel Hall Thruster", Poster at 5th MIPSE Graduate Symposium, Ann Arbor, MI, October 8, 2014.

50th AIAA Joint Propulsion Conference, Cleveland, OH, July 28-30, 2014

Ebersohn, F.H., Sheehan, J.P., Longmier, B.W., and Shebalin, J.V., "Quasi-one-dimensional code for particle-in-cell simulation of magnetic nozzle expansion", AIAA 2014-4027 , 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cleveland, OH, July 28-30, 2014.

Hall, S., Florenz, R., Gallimore, A., Kamhawi, H., Brown, D., Polk, J., Goebel, D., Hofer, R., "Implementation and Initial Validation of a 100-kW Class Nested-channel Hall Thruster", AIAA 2014-3815 , 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cleveland, OH, July 28-30, 2014.

Sekerak, M.J., Longmier, B.W., Gallimore, A., Huang, W., Kamhawi, H., Hofer, R.R., Jorns, B., and Polk, J.E., "Mode Transitions in Magnetically Shielded Hall Effect Thrusters", AIAA 2014-3511 , 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cleveland, OH, July 28-30, 2014.

Sheehan, J.P., Longmier, B.W., Reese, I., and Collard, T., "New Low-Power Plasma Thruster for Nanosatellites", AIAA 2014-3914 , 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Cleveland, OH, July 28-30, 2014.

9th PAMIR International Conference: Fundamental and Applied MHD Thermo acoustic and Space technologies, Riga, Latvia, June 16-20, 2014

Ebersohn, F.H., Sheehan, J.P., Longmier, B.W., and Shebalin, J.V., "MHD Simulation of Plasma Rocket Exhaust", Poster and paper at the 9th PAMIR International Conference, Riga, Latvia, June 16-20, 2014.

41st IEEE International Conference on Plasma Science, Washington, D.C., May 25-29, 2014

Durot, C., and Gallimore, A.D., "Time-Resolved Laser-Induced Fluoresence Measurements in the Plume of a 6 KW Hall Thruster With Unperturbed Oscillations", Presentation at IEEE International Conference on Plasma Science, Washington, D.C., May 25-29, 2014.

Ebersohn, F.H., Sheehan, J.P., Longmier, B.W., and Shebalin, J.V., "Quasi-One-Dimensional Simulations of Magnetic Nozzles for Plasma Thruster Applications", Poster presented at IEEE International Conference on Plasma Science, Washington, D.C., May 25-29, 2014.

Sekerak, M.J., Longmier, B.W., and Gallimore, A.D., "Mode Transition Characteristics and Oscillation Frequencies in Hall Effect Thrusters", Invited Presentation at IEEE International Conference on Plasma Science, Washington, D.C., May 25-29, 2014.

Sheehan, J.P., Longmier, B.W., Reese, I., Collard, T., Ebersohn, F.H., Dale, E.T., Wachs, B.N., Ostermann, M.E., "Initial Experiments of a New Permanent Magnet Helicon Thruster", Presentation at IEEE International Conference on Plasma Science, Washington, D.C., May 25-29, 2014.

Sheehan, J.P., Longmier, B.W., and Bering, E.A., "Plasma Adiabaticity in a Diverging Magnetic Nozzle", Poster at IEEE International Conference on Plasma Science, Washington, D.C., May 25-29, 2014.

33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013

Ebersohn, F., Longmier, B., Sheehan, J., Shebalin, J., Girimaji, S., "Preliminary Magnetohydrodynamic Simulations of Magnetic Nozzles," IEPC-2013-334, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

Florenz, R., Hall, S., Gallimore, A., Kamhawi, H., Griffiths, C., Brown, D., Hofer, R., Polk, J., "First Firing of a 100-kW Nested-channel Hall Thruster," IEPC-2013-394, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

Durot, C., Gallimore, A., Smith, T., "Development and Validation of a Novel Time-Resolved Laser-Induced Fluorescence Technique," IEPC-2013-356, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

McDonald, M., Liang, R., Gallimore, A., "Practical Application of Wide Bandwidth Floating Emissive Probes and Wavelet Analysis to the X2 Nested Hall Thruster," IEPC-2013-352, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

McDonald, M., Gallimore, A., "Comparison of Breathing and Spoke Mode Strengths in the H6 Hall Thruster Using High Speed Imaging," IEPC-2013-353, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

M. Sekerak, B. Longmier, A. Gallimore, D. Brown, R. Hofer and J. Polk, "Azimuthal Spoke Propagation in Hall Effect Thrusters," IEPC-2013-143, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

Sheehan, J., Longmier, B., Bering, E., Olsen, C., Squire, J., Carter, M., Cassady, L., "Plasma Adiabaticity in a Diverging Magnetic Nozzle," IEPC-2013-159, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

Sheehan, J., Raitses, Y., Hershkowitz, N., "Accurately Determining the Plasma Potential Using Emissive Probes," IEPC-2013-313, 33rd International Electric Propulsion Conference, Washington, D.C., October 6-10, 2013.

66th APS Gaseous Electronics Conference, Princeton, NJ, September 30-October 4, 2013

C. Durot, A. Gallimore, "Development of a Novel Time-Resolved Laser-Induced Fluorescence Technique," Poster presented at 66th American Physical Society Gaseous Electronics Conference, Princeton, NJ, September 30-October 4, 2013.

J. Sheehan, Y. Raitses, and N. Hershkowitz, "Emitting Probes," Tutorial presented at 66th American Physical Society Gaseous Electronics Conference, Princeton, NJ, September 30-October 4, 2013.

J. Sheehan, B. Longmier, E. Bering, C. Olsen, J. Squire, M. Carter, F. Chang Diaz, T. Glover, A. Ilin, and L. Cassady, "Plasma Adiabaticity in a Diverging Magnetic Nozzle," Presentation at 66th American Physical Society Gaseous Electronics Conference, Princeton, NJ, September 30-October 4, 2013.

4th Michigan Institute for Plasma Science and Engineering Student Symposium, Ann Arbor, MI, September 25, 2013

M. Sekerak, B. Longmier, A. Gallimore, "Hall Effect Thruster Oscillatory Modes," Poster presented at the 4th Michigan Institute for Plasma Science and Engineering Student Symposium, Ann Arbor, MI, September 25, 2013.

C. Durot, A. Gallimore, "Development of a Novel Time-Resolved Laser-Induced Fluorescence Technique," Poster presented at the 4th Michigan Institute for Plasma Science and Engineering Student Symposium, Ann Arbor, MI, September 25, 2013.

49th AIAA Joint Propulsion Conference, San Jose, CA, July 14-17, 2013

M. Sekerak, B. Longmier, A. Gallimore, D. Brown, R. Hofer and J. Polk, "Mode Transitions in Hall Effect Thrusters," AIAA-2013-4116, presented at the 49th AIAA Joint Propulsion Conference, San Jose, CA, July 14-17, 2013.

40th IEEE International Conference on Plasma Science, San Francisco, CA, June 16-21, 2013

C. J. Durot and A. D. Gallimore, "Development of a Novel Time-Resolved Laser-Induced Fluorescence Technique," 40th IEEE International Conference on Plasma Science, San Francisco, CA, June 16-21, 2013.

34th IEEE Aerospace Conference, Big Sky, MT, March 2 - 9, 2013

M. McDonald, M. Sekerak, A. Gallimore, and R. Hofer, "Plasma Oscillation Effects on Nested Hall Thruster Operation and Stability," IEEE-2013-2502, presented at the 34th IEEE Aerospace Conference, Big Sky, MT, March 2-9, 2013.

M. Sekerak, M. McDonald, R. Hofer, and A. Gallimore, "Hall Thruster Plume Measurements from High-Speed Dual Langmuir Probes with Ion Saturation Reference," IEEE-2013-2129, presented at the 34th IEEE Aerospace Conference, Big Sky, MT, March 2-9, 2013.

NASA Technology Days, Cleveland, OH, November 28 - 30, 2012

M. Sekerak, A. Gallimore, and J. Polk, "High-speed Dual Langmuir Probe with Ion Saturation Reference (HDLP-ISR) for Hall Thruster Plume Measurements," Poster presented at the NASA Technology Days, Cleveland, OH, November 28-30, 2012.

54th Meeting of the APS Division of Plasma Physics, Providence, RI, Oct. 29-Nov. 2, 2012

C. J. Durot and A. D. Gallimore, "Development of a Novel Time-Resolved Laser-Induced Fluorescence Technique," 54th Meeting of the APS Division of Plasma Physics, Providence, RI, Oct. 29-Nov. 2, 2012.

65th Annual Gaseous Electronics Conference, Austin, TX, October 22 - 26, 2012

C. Olsen, M. Ballenger, J. Squire, B. Longmier, M. Carter, T. Glover, "Turbulence-induced anomalous electron diffusion in the plume of the VASIMR VX-200," 65th Annual Gaseous Electronics Conference, Volume 57, Number 8, October 22-26, 2012; Austin, Texas

C. Olsen, B. Longmier, M. Ballenger, J. Squire, T. Glover, M. Carter, E. Bering, M. Giambusso, "Overview of the electric propulsion plasma diagnostics suite for the VASIMR VX-200 testbed," 65th Annual Gaseous Electronics Conference, Volume 57, Number 8, Austin, TX, October 22-26, 2012.

J. Squire, C. Olsen, F. Chang-Diaz, B. Longmier, M. Ballenger, M. Carter, T. Glover, G. McCaskill, "VASIMR VX-200 thruster throttling optimization from 30 to 200 kW," 65th Annual Gaseous Electronics Conference, Volume 57, Number 8, Austin, TX, October 22-26, 2012.

48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Atlanta, GA, July 29 - August 1, 2012

Ebersohn, F.H., Girimaji, S.S., Shebalin, J., Staack, D., Longmier, B.W., Olsen, C., "Magnetic Nozzle Plasma Plume: Review of Crucial Physical Phenomena", AIAA-2012-4274, 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Atlanta, GA, July 29 - August 1, 2012.

Florenz, R., Liu, T., Gallimore, A.D., Kamhawi, H., Brown, D.L., Hofer, R.R., and Polk, J.E., "Electric Propulsion of a Different Class: The Challenges of Testing for MegaWatt Missions," AIAA-2012-3942, 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Atlanta, GA, July 29 - August 1, 2012.

Huang, W., Gallimore, A.D., "A Low-Cost Optical Approach to Evaluate the Life Time of Hall Thruster Discharge Channel," AIAA-2012-4035, 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Atlanta, GA, July 29 - August 1, 2012.

Longmier, B., Squire, J., Olsen, C., Cassady, L., Ballenger, M., Carter, M., Ilin, A., Glover, T., McCaskill, G., Chang-Díaz, F., Bering, E., "VASIMR VX-200 Improved Throttling Range," AIAA-2012-3930, 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Atlanta, GA, July 29 - August 1, 2012.

Shabshelowitz, A., Gallimore, A.D., and Peterson, P.Y., "Performance of a Helicon Hall Thruster Operating with Xenon, Argon, and Nitrogen," AIAA-2012-4336, 48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Atlanta, GA, July 29 - August 1, 2012.

39th International Conference on Plasma Science, Edinburgh, United Kingdom, July 8-12, 2012

A. Shabshelowitz and A. D. Gallimore, "Plasma Properties in the Far-Field Plume of a Radiofrequency Plasma Thruster," 39th International Conference on Plasma Science, Edinburgh, United Kingdom, July 8-12, 2012.

Joint Army Navy NASA Air Force (JANNAF) 8th Modeling and Simulation (MSS)/6th Liquid Propulsion (LPS)/5th Spacecraft Propulsion (SPS) Subcommittee Meeting, Colorado Springs, CO, December 5-9, 2011

B.W. Longmier, E.A. Bering, N. Hershkowitz, A.D. Gallimore, "CubeSat Primary Propulsion Using A High Power Density Helicon Plasma Source For Ambipolar Ion Acceleration," JANNAF 8th MSS/6th LPS/5th SPS Joint Subcommittee Meeting, Colorado Springs, CO, December 5-9, 2011.

62nd International Astronautical Congress (IAC), Cape Town, South Africa, October 3-7, 2011

Trent, K. R., McDonald, M. S., Lobbia, R. B., Gallimore, A. D., "Predictive Control of Plasma Kinetics: Time-resolved Measurements of Inert Gas Mixing in a Hollow Cathode Discharge," IAC-11.C4.4.10, 62nd International Astronautical Congress, Cape Town, South Africa, October 3-7, 2011.

32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011

Florenz, R., Gallimore, A., and Peterson, P., "Developmental Status of a 100-kW Class Laboratory Nested Channel Hall Thruster," IEPC-2011-246, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

Huang, W., Gallimore, A., Smith, T., and Yalin, A., "The Technical Challenges of using Cavity Ring-Down Spectroscopy to Study Hall Thruster Channel Erosion," IEPC-2011-030, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

Liang, R. and Gallimore, A.D., "Constant-Power Performance and Plume Properties of a Nested-Channel Hall-Effect Thruster," IEPC-2011-049, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

Lobbia, R., Sekerak, M., Liang, R., and Gallimore, A., "High-speed Dual Langmuir Probe Measurements of the Plasma Properties and EEDFs in a HET plume," IEPC-2011-168, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

McDonald, M., Gallimore, A., "Parametric Investigation of the Rotating Spoke Instability in Hall Thrusters," IEPC-2011-242, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

McDonald, M., Gallimore, A., "Electron Trajectory Simulation in Experimental Hall Thruster Fields," IEPC-2011-243, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

Shabshelowitz, A. and Gallimore, A., "Divergence Angle of Ion Beams Emanating from an Immersed Radiofrequency Plasma Source," IEPC-2011-166, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

Trent, K. R., McDonald, M. S., Lobbia, R. B., Gallimore, A. D., "Time-resolved Langmuir Probing of a New Lanthanum Hexaboride (LaB6) Hollow Cathode" IEPC-2011-245, 32nd International Electric Propulsion Conference, Wiesbaden, Germany, September 11-15, 2011.

47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, San Diego, CA, July 31 - August 3, 2011

Huang, W., Gallimore, A., Smith, T., Tao, L., and Yalin, A., "Initial Cavity Ring-Down Density Measurement on a 6-kW Hall Thruster," AIAA-2011-5994, 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, San Diego, CA, July 31 - August 3, 2011.

McDonald, M., Bellant, C., St Pierre, B., and Gallimore, A., "Measurement of Cross-Field Electron Current in a Hall Thruster Due to Rotating Spoke Instabilities," AIAA-2011-5810, 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, San Diego, CA, July 31 - August 3, 2011.

Shastry, R., Gallimore, A. D. and Hofer, R. R., "Experimental Characterization of the Near-Wall Plasma in a 6-kW Hall Thruster and Comparison to Simulation," AIAA-2011-5589, 47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, San Diego, CA, July 31 - August 3, 2011.

20th International Symposium on Plasma Chemistry (ISPC), Philadelphia, PA, July 24-29, 2011

Spencer, L. and Gallimore, A., "Investigation of Atmospheric Pressure Plasma Source for CO2 Dissociation," ISPC-2011-450, 20th International Symposium on Plasma Chemistry, Philadelphia, PA, July 24-29, 2011.

38th European Physical Society (EPS) Conference on Plasma Physics, Strasbourg, France, June 27 - July 1, 2011

Trent, K. R., Shabshelowitz, A., and Gallimore, A. D., "EEDF Control Through Gas Injection into a Plasma Plume," 04.308, 38th EPS Conference on Plasma Physics, Strasbourg, France, June 27 - July 1, 2011.

38th International Conference on Plasma Science, Chicago, IL, June 26-30, 2011

A. Shabshelowitz and A. D. Gallimore, "Ion Energy Distribution Measurements of a Radiofrequency Plasma Source Immersed in Vacuum," 38th International Conference on Plasma Science, Chicago, IL, June 26-30, 2011.

49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, FL, January 4-7, 2011

Huang, W., Gallimore, A.D., and Smith, T.B., "Two-Axis Laser-Induced Fluorescence of Singly-Charged Xenon inside a 6-kW Hall Thruster," AIAA-2011-1015, 49th AIAA Aerospace Sciences Meeting, Orlando, Florida, January 4-7, 2011.

Liang, R. and Gallimore, A.D., "Far-Field Plume Measurements of a Nested-Channel Hall Thruster," AIAA-2011-1016, 49th AIAA Aerospace Sciences Meeting, Orlando, Florida, January 4-7, 2011.

37th International Conference on Plasma Science, Norfolk, VA, June 20 - June 24, 2010

Spencer, L. and Gallimore, A., "Mass Spectrometric Analysis of CO2/Ar and CO/Ar Plasma in a Radio Frequency Discharge," 37 th International Conference on Plasma Science, Norfolk, VCA, June 20 - June 24, 2010.

57th Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting, Colorado Springs, CO, May 3-7, 2010

W. Huang, T. B. Smith, C. J. Durot, A. D. Gallimore, and A. P. Yalin, "Development of a Cavity Ring-Down Diagnostics for Studying Hall Thruster Channel Erosion," 57 th Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting, Colorado Springs, CO, May 3-7, 2010.

R. Liang and A. D. Gallimore, "Performance of a Laboratory Hall Thruster with Two Concentric Discharge Channels," 57 th Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting, Colorado Springs, CO, May 3-7, 2010.

T. M. Liu, A. D. Gallimore, and B. E. Gilchrist, and P. Y. Peterson, "Nanoparticle Field Extraction Thruster (NanoFET): Preliminary Performance Measurements," 57 th Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting, Colorado Springs, CO, May 3-7, 2010.

M. S. McDonald, A. D. Gallimore, R. R. Hofer, and D. M. Goebel, "Development of a 3D Electron Trajectory Model with Monte Carlo Neutral Collisions for the Hall Thruster Near-Field Plume," 57 th Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting, Colorado Springs, CO, May 3-7, 2010.

R. Shastry, A. D. Gallimore, and R. R. Hofer, "Erosion Characterization via Ion Power Deposition Measurements in a 6-kW Hall Thruster," 57 th Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting, Colorado Springs, CO, May 3-7, 2010.

31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009

D. Brown and A. Gallimore, "Evaluation of Plume Divergence and Facility Effects on Far-Field Faraday Probe Current Density Profiles," IEPC-2009-030, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

D. Brown and A. Gallimore, "Investigation of Low Discharge Voltage Hall Thruster Operating Modes and Ionization Processes," IEPC-2009-074, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

W. Huang and A. Gallimore, "Laser-induced Fluorescence Study of Neutral Xenon Flow Evolution inside a 6-kW Hall Thruster," IEPC-2009-087, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

W. Huang, B. Ngom, and A. Gallimore, "Using Nonlinear Zeeman Spectroscopy to obtain In-Situ Magnetic Field Measurement in a Hall Thruster," IEPC-2009-088, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

R. Liang and A. Gallimore, "A 6-kW Laboratory Hall Thruster with Two Concentric Discharge Channels," Poster Presentation, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

K. Lemmer and A. Gallimore, "Using a Helicon Source to Simulate Atmospheric Re-entry Plasma Densities," IEPC-2009-236, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

J. Linnell and A. Gallimore, "Hall Thruster Electron Motion Characterization Based on Internal Probe Measurements," IEPC-2009-105, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

T. Liu, A. Gallimore, B. Gilchrist, and J. Mirecki-Millunchick, "Mapping the Feasible Design Space of the Nanoparticle Field Extraction Thruster," IEPC-2009-004, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

R. Lobbia and A. Gallimore, "Two-dimensional Time-resolved Breathing Mode Plasma Fluctuation Variation with Hall Thruster Discharge Settings," IEPC-2009-106, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

M. McDonald and A. Gallimore, "High-Speed Interrogation of the Near-Field Plume of a 6-kW Laboratory Hall Thruster," IEPC-2009-112, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

M. McDonald and A. Gallimore, "Cathode Coupling Response to Cathode Placement and Orientation in a 6-kW Hall Thruster," IEPC-2009-113, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

P. Patel, A. Gallimore, D. Scheeres, and T. Zurbuchen, "An Algorithm for Generating Feasible Low Thrust Interplanetary Trajectories," IEPC-2009-219, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

B. Reid and A. Gallimore, "Near-field Ion Current Density Measurements of a 6-kW Hall Thruster," IEPC-2009-124, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

A. Shabshelowitz and A. Gallimore, "A Device for Studying Plasma Detachment from a Magnetic Field," IEPC-2009-207, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

R. Shastry, A. Gallimore, and Richard R. Hofer, "Near-Wall Plasma Characterization of a 6-kW Hall Thruster," IEPC-2009-133, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

R. Tang, A. Gallimore, and T. Kammash, "Design of an ECR Gasdynamic Mirror Thruster," IEPC-2009-210, 31st International Electric Propulsion Conference, Ann Arbor, MI, USA, September 20-24, 2009.

45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Denver, CO, 3-5 August 2009

Drenkow, B., Liu, T., Bell, J., Huang, M., Robinson, J., Moore, S., Singh, V., Trabert, R., Gilchrist, B., and Gallimore, A., "Developing a Reduced Gravity Testbed for the Nanoparticle Field Extraction Thruster," AIAA-2009-5194, 45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Denver, CO, 2-5 August 2009.

Wensheng Huang, Brittany Drenkow, and Alec Gallimore, "Laser-Induced Fluorescence of Singly-Charged Xenon Inside a 6-kW Hall Thruster," AIAA-2009-5355, 45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Denver, CO, 2-5 August 2009.

Thomas Liu, Gregory Wagner, Alec Gallimore, Brian Gilchrist, and Peter Peterson, "Specific Charge Control for Micro/Nano-Particle Electrostatic Propulsion," AIAA-2009-5090, 45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Denver, CO, 2-5 August 2009.

Robert Lobbia, Thomas Liu, and Alec Gallimore, "Temporally and Spatially Resolved Measurements in the Plume of Clustered Hall Thrusters," AIAA-2009-5354, 45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Denver, CO, 2-5 August 2009.

Rohit Shastry, Alec Gallimore, and Richard Hofer, "Near-Wall Plasma Properties and EEDF Measurements of a 6-kW Hall Thruster," AIAA-2009-5356, 45th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Denver, CO, 2-5 August 2009.

4th International Congress on Cold Atmospheric Pressure Plasmas: Sources and Application (CAPPSA), Ghent, Belguim, June 22-24, 2009

Spencer, L., Gallimore, A., Nguyen, S., "Dissociation of CO2 in a Radio-Frequency Plasma Source," 4th International Congress on Cold Atmospheric Pressure Plasmas: Sources and Application, Ghent, Belguim, June 22-29, 2009. Click for pdf.

10th International Workshop on the Interrelationship between Plasma Experiments in Laboratory and Space (IPELS), Djuronaset, Sweden, June 8-12, 2009

Lemmer, K. M., and Gallimore, A. D., "Using Crossed Electric and Magnetic Fields to Mitigate Atmospheric Re-Entry Communications Blackout," 10th International Workshop on the Interrelationship between Plasma Experiments in Laboratory and Space (IPELS), Djuronaset, Sweden, June 8-12, 2009.

36th International Conference on Plasma Science, San Diego, CA, May 31 - June 5, 2009

Lobbia, R. B., Liu, T. M., and Gallimore, A. D., "High-speed Planar Plasma Density Measurements in a Hall Thruster Plume," Paper No. 1587, 36th International Conference on Plasma Science, San Diego, CA, May 31 - June 5, 2009.

S. V. T. Nguyen, J. E. Foster, A. D. Gallimore, "Characterization of a Water Radio-Frequency Plasma - An Experimental Study," 36 th International Conference on Plasma Science, San Diego, CA, May 31 - June 5, 2009.

S. V. T. Nguyen, M. J. Kushner, A. D. Gallimore, "A Study of Reaction Kinetics of a Water Plasma Using a 0-D Global Kinetic Model," 36 th International Conference on Plasma Science, San Diego, CA, May 31 - June 5, 2009.

T. M. Liu, A. D. Gallimore, B. E. Gilchrist, P. Y. Peterson, "Micro/Nano-Particle Electrostatic Accelerator for Electric Propulsion," 36 th International Conference on Plasma Science, San Diego, CA, May 31 - June 5, 2009.

6th Modeling & Simulation Subcommittee 4th Liquid Propulsion Subcommittee 3rd Spacecraft Propulsion Subcommittee Joint Meeting, Orlando, Florida, December 8-12, 2008

Massey, D.R., Musinski, L.D., Liu, T.M., Gallimore, A.D., and Gilchrist, B.E., "The Nanoparticle Field Extraction Thruster: NanoFET," JANNAF 3rd Spacecraft Propulsion Subcommittee Meeting, Orlando, FL, 8-12 December 2008.

Lobbia, R. B., Liu, T. M., and Gallimore, A. D., "Correlating Time-Resolved Optical and Langmuir Probe Measurements of Hall Thruster Dynamics," SPS-III-36, 6th Modeling and Simulation / 4th Liquid Propulsion / 3rd Spacecraft Propulsion Joint Subcommittee JANNAF Meeting, Orlando, FL, 8-12 December 2008.

Brown, D. L., Gallimore, A. D., "Low Voltage Characteristics and Cathode Coupling Effects in a 6-kW Hall Thruster," SPS-III-26, Presented at the 3rd JANNAF Spacecraft Propulsion Subcommittee Joint Meeting, Orlando, FL, December 8-12, 2008.

Brown, D. L., Larson C.W., Nakles, M. R., Gallimore, A. D., "Evaluation of Faraday Probe Design and Scattering Effects on Current Density Measurements of a 200-W Hall Thruster," SPS-III-25, Presented at the 3rd JANNAF Spacecraft Propulsion Subcommittee Joint Meeting, Orlando, FL, December 8-12, 2008.

D. Massey, A. Gallimore, L. Musinski, and T. Liu, "NanoFET - Nanoparticle Field Extraction Thruster," 6th Modeling and Simulation / 4th Liquid Propulsion / 3rd Spacecraft Propulsion Joint Subcommittee JANNAF Meeting, Orlando, FL, 8-12 December 2008.

M. McDonald and A. Gallimore, "Cathode Positioning and Orientation Effects on Cathode Coupling in a 6-kW Hall Thruster," 6th Modeling and Simulation / 4th Liquid Propulsion / 3rd Spacecraft Propulsion Joint Subcommittee JANNAF Meeting, Orlando, FL, 8-12 December 2008.

44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Hartford, CT, July 20-23, 2008

Huang, W., Reid, B. M., Smith, T. B., and Gallimore, A. D., " Laser-Induced Fluorescence of Singly-Charged Xenon in a 6-kW Hall Thruster Plume," AIAA-2008-5102, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Kammash, T., Tang, R., and Gallimore, A., " Alpha Particle Dynamics in Muon-Boosted Fusion Propulsion System," AIAA-2008-4674, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Linnell, J., and Gallimore, A.D., " Statistical Analysis of the Acceleration Zone Location in Hall Thrusters," AIAA-2008-4721, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Liu, T., Drenkow, B., Musinski, L., Gallimore, A., Gilchrist, B., and Doan, A., " Developmental Progress of the Nanoparticle Field Extraction Thruster," AIAA-2008-5096, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Lobbia, R. B., and Gallimore, A. D., " A Method of Measuring Transient Plume Properties," AIAA-2008-4650, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Longmier, B. W., Reid, B. M., Gallimore, A. D., Chang-Diaz, F. R., Squire, J. P., et al., " Validating a Momentum Flux Sensor with a Hall Thruster Mounted on an Inverted Pendulum Thrust Stand," AIAA-2008-4739, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Morris, S., Drenkow, B., Liu, T., Biehle, T., Munski, J., Han, H., Swieringa, K., Martinchek, P., Knapp, M., Trabert, R., Wind, R., Brierty, B., Gilchrist, B., and Gallimore, A., "Reduced Gravity Testing of the Nanoparticle Field Extraction Thruster Concept," AIAA-2008-4995, 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, 20-23 July 2008.

Musinski, L., Liu, T., Gilchrist, B., and Gallimore, A., " Nanoparticle Field Extraction Thruster (nanoFET): Introduction to, Analysis of, and Experimental Results from the "No Liquid" Design Option," AIAA-2008-5097, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Reid, B. M. and Gallimore, A. D., "Langmuir Probe Measurements in the Discharge Channel of a 6-kW Hall Thruster," AIAA-2008-4920, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Reid, B. M. and Gallimore, A. D., " Plasma Potential Measurements in the Discharge Channel of a 6-kW Hall Thruster," AIAA-2008-5185, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Reid, B. M., Shastry, R., Gallimore, A. D. and Hofer, R. R., " Angularly-Resolved ExB Probe Spectra in the Plume of a 6-kW Hall Thruster," AIAA-2008-5287, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Shastry, R., Hofer, R. R., Reid, B. M., and Gallimore, A. D., " Method for Analyzing ExB Probe Spectra from Hall Thruster Plumes," AIAA-2008-4647, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Shastry, R., Gallimore, A. D., and Hofer, R. R., " Interpretation of Wall-mounted Probe Characteristics in Hall Thrusters," AIAA-2008-4723, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

Terry Kammash, Ricky Tang, and Alec Gallimore, "Alpha Particle Dynamics in Muon-Boosted Fusion Propulsion System," AIAA-2008-4674, 44 th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Hartford, CT, July 20-23, 2008.

30th International Electric Propulsion Conference (IEPC), Florence, Italy, September 17-20, 2007

Brown, D. L., Larson, C. W., Haas, J. M., Gallimore, A. D., " Analytical Extraction of Plasma Properties Using a Hall Thruster Efficiency Architecture," IEPC-2007-188, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

Kirtley, D., Haas, J.M., Gallimore, A.D., Reilly, M., " High Density Magnetized Toroid Formation and Translation within XOCOT: An Annular Field Reversed Configuration Plasma Concept," IEPC-2007-041, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

Lemmer, K. M., Gallimore, A. D., Smith, T. B., and Austin, D. R., " Review of Two Retarding Potential Analyzers for Use in High Density Helicon Plasma," IEPC-2007-161, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

Lobbia, R. B., and Gallimore, A. D., " Performance Measurements from a Cluster of Four Hall Thrusters," IEPC-2007-177, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

Nguyen, S. V. T., Lemmer, K. M., Gallimore, A. D., and Foster, J. E., " Identifying Plasma Species in High Density Helicon Plasmas Produced from Water Vapor," IEPC-2007-082, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

Reid, B. M. and Gallimore, A. D., " Review of Hall Thruster Neutral Flow Dynamics," IEPC-2007-038, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

Smith, T. B., Huang, W., Ngom, B. B., and Gallimore, A. D., " Optogalvanic and Laser-Induced Fluorescence Spectroscopy of the Zeeman Effect in Xenon," IEPC-2007-229, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

Smith, T. B., Huang, W., Reid, B. M., and Gallimore, A. D., " Near-Field Laser-Induced Fluorescence Velocimetry of Neutral Xenon in a 6-kW Hall Thruster Plume," IEPC-2007-252, 30 th International Electric Propulsion Conference, Florence, Italy, Sept. 17-20, 2007

43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Cincinnati, OH, July 8-11, 2007

Larson, C. William, Brown, Daniel L., and Hargus, William A. Jr., "Thrust efficiency, energy efficiency and the role of the VDF in Hall thruster performance analysis," AIAA 2007-5270, 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Cincinnati, OH, 8-11 July, 2007.

Liu, T., University of Michigan, Ann Arbor, MI; Morris, D., and Zagel, J., ElectroDynamic Applications, Ann Arbor, MI; Cionca, C., Li, Y., Smith, C., Riposan, A., Gallimore, A., Gilchrist, B., and Clarke, R., University of Michigan, Ann Arbor, MI, " Use of Boron Nitride for Field Effect Electron Emission," AIAA-2007-5253, 43 rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Cincinnati, OH, July 8-11, 2007

Tang, R., Kammash, T., and Gallimore, A., " Field Asymmetry and Thrust Control in the GDM Fusion Propulsion System," AIAA-2007-5612, 43 rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Cincinnati, OH, July 8-11, 2007

Victor, A. L., Gallimore, A. D., and Zurbuchen, T. H., " Far-Field Species Distribution Measurements on the BHT-600 Hall Thruster Cluster," AIAA-2007-5304, 43 rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Cincinnati, OH, July 8-11, 2007

34th IEEE International Conference on Plasma Science (ICOPS) and 16th IEEE International Pulsed Power Conference, Albuquerque, New Mexico, June 17-22, 2007

Lemmer, K., Gallimore, A., Smith, T., Nguyen, S., Morris, D., Davis, C., Zagel, J., " Simulating Hypersonic Atmospheric Conditions in a Laboratory Setting Using a 15-cm-Diameter Helicon Source," ICOPS-2007-1489, 34 th IEEE International Conference on Plasma Science (ICOPS), Albuquerque, New Mexico, June 17-22, 2007

Nguyen, S. V. T., Lemmer, K. M., Gallimore, A. D., and Smith, T. B., " An Experimental Study of Hydrogen Production by Dissociation of Water Vapor in a Helicon Plasma Source," 34 th IEEE International Conference on Plasma Science (ICOPS), Albuquerque, New Mexico, June 17-22, 2007

54th Joint Army Navy NASA Air Force (JANNAF) Propulsion Meeting, Denver, CO, May 14-17, 2007

Reid, B. M., Gallimore, A. D., Hofer, R. R., Li, Y., Haas, J. M., " Anode Design and Verification for a 6-kW Hall Thruster," Presented at the 54th JANNAF Propulsion Meeting, Denver, CO, May 14-17, 2007.

Hofer, R. R., Goebel, D. M., Watkins, R. M., " Compact Lab6 Hollow Cathode for a 6-kW Hall Thruster," Presented at the 54th JANNAF Propulsion Meeting, Denver, CO, May 14-17, 2007.

Haas, J. M., Hofer, R. R., Brown, D. L., Reid, B. M., Gallimore, A. D., " Design of a 6-kW Hall Thruster for High Thrust/Power Investigation," Presented at the 54th JANNAF Propulsion Meeting, Denver, CO, May 14-17, 2007.

Brown, D. L., Reid, B. M., Gallimore, A. D., Hofer, R. R., Haas, J. M., Larson C.W., " Performance Characterization and Design Verification of a 6-kW Laboratory Model Hall Thruster," Presented at the 54th JANNAF Propulsion Meeting, Denver, CO, May 14-17, 2007.

Kirtley, D. E., Gallimore, A. D., Haas, J. M., Reilly, M. P., " Experimental Pre-Ionization Parameter Mapping on an AFRL Annular Field Reversed Configuration Plasma Device," Presented at the 54th JANNAF Propulsion Meeting, Denver, CO, May 14-17, 2007.

Space Technology and Applications International Forum (STAIF), Albuquerque, New Mexico, February 11-15, 2007

Liu, T.M., Musinski, L.D., Patel, P.R., Gallimore, A.D., Gilchrist, B.E., Keidar, M., " Nanoparticle Electric Propulsion for Space Exploration," American Institute of Physics 978-0-7354-0386-4/07, Space Technology and Applications International Forum (STAIF), Albuquerque, New Mexico, February 11-15, 2007

42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, July 9-12, 2006

Beal, B., Aerojet Redmond WA., Gallimore, A.D., Morris, D., and Davis, C., Electrodynamic Applications Inc. Ann Arbor, MI, Lemmer, K., " Development of an Annular Helicon Source for Electric Propulsion Applications," AIAA-2006-4841, 42 nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, July 9-12, 2006

Musinski, L., Liu, T., Gilchrist, B., Gallimore, A.D., and Keidar, M., " Nanoparticle Electric Propulsion: Experimental Results ," AIAA-2006-4803, 42 nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, July 9-12, 2006

Linnell, J., and Gallimore, A.D., " Internal Langmuir Probe Mapping of a Hall Thruster with Xenon and Krypton Propellant," AIAA-2006-4470, 42 nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, July 9-12, 2006

Liu, T., Morris, D., ElectroDynamic Applications Inc. Ann Arbor MI., Cionca, C., Gallimore, A.D., Gilchrist, B., and Clarke, R., " MEMS Gate Structures for Electric Propulsion Applications," AIAA-2006-5011, 42 nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, July 9-12, 2006

Liu, T., Keidar, M., Musinski, L., Gilchrist, B., and Gallimore, A.D., " Theoretical Aspects of Nanoparticle Electric Propulsion ," AIAA-2006-4335, 42 nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, July 9-12, 2006

Lobbia, R., and Gallimore, A.D., " Dynamic Electromagnetic Field Measurements of Clustered Hall Thrusters," AIAA-2006-4996, 42 nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, California, July 9-12, 2006

Kammash, T. and Tang, R., "Propulsive Capability of an Asymmetric GDM Propulsion System," AIAA-2006-4391, 42nd Joint Propulsion Conference, Sacramento, CA, July 9-12, 2006.

8th Asian Pacific Conference on Plasma Science and Technology, Cairns, Queensland, Australia, July 2006

Lemmer, K. M., Gallimore, A. D., Morris, D. P., Davis, C., Boyd, I, and Keidar, M., "Development, Fabrication and Testing of a 15-cm-diameter Helicon Source for Reentry Simulation," 8 th Asian Pacific Conference on Plasma Science and Technology Poster Presentation, Cairns, Queensland, Australia, July 2006.

113th ASEE Conference

Liu, T., Deline, C., Ramos, R., Sandoval, S., Smetana, A., Gilchrist, B., Washabaugh, P., and Renno, N., "The Student Space Systems Fabrication Laboratory: An Approach to Space Systems Engineering Education," ASEE-2006-1917, 113th ASEE Conference, Chicago, IL, 18-21 June 2006.

33rd IEEE International Conference on Plasma Science (ICOPS) Traverse City, MI, June 4-8, 2006

Lemmer, K. M., Gallimore, A. D., Morris, D. P., Davis, C., Boyd, I., and Keidar, M., " Development, Fabrication and Testing of a 15-cm-diameter Helicon Source," 33 rd IEEE International Conference on Plasma Science (ICOPS) Traverse City, MI, June 4-8, 2006.

Smith, T.B., Ngom, B., and Gallimore, A.D., " Optogalvanic spectroscopy of the Zeeman effect in xenon," ICOPS Presentation (PDF), 33 rd IEEE International Conference on Plasma Science (ICOPS) Traverse City, MI, June 4-8, 2006.

Tang, R., Nguyen, S., Smith, T.B., and Gallimore, A.D., " Breakdown and Ignition Limits in LaB6 Hollow Cathode Discharges," ICOPS Presentation (PDF), 33 rd IEEE International Conference on Plasma Science (ICOPS) Traverse City, MI, June 4-8, 2006.

Joint Army Navy NASA Air Force (JANNAF) Conference, Monterey, CA, December 8, 2005

D. Kirtley, J. M. Haas, A. Gallimore, "A Field Reversed Configuration Plasma Device for Space Propulsion," Joint Army Navy NASA Air Force Conference, Monterey, CA, Dec 8 2005.

29th International Electric Propulsion Conference (IEPC), Princeton, NJ, Oct 31-Nov 4, 2005

Kirtley, D., Brown, D., Gallimore, A. D., "Details on an Annular Field Reversed Configuration Plasma Device for Spacecraft Propulsion," IEPC-2005-171, 29th International Electric Propulsion Conference, Princeton, NJ, Oct 31- Nov 4, 2005.

Linnell, J. A., Gallimore, A. D., "Internal Plasma Structure Measurements of a Hall Thruster Using Xenon and Krypton Propellant," IEPC-2005-024, 29th International Electric Propulsion Conference, Princeton, NJ, Oct 31- Nov 4, 2005.

Musinski, L., Liu, T., Gilchrist, B., Gallimore, A. D., and Keidar, M., "Scalable Flat-Panel Nano-Particle MEMS/NEMS Thruster," IEPC-2005-176, 29th International Electric Propulsion Conference, Princeton, NJ, Oct 31-Nov 4, 2005.

Rovey, J. L., Herman, D. A., Gallimore, A. D., "Potential Structure and Propellant Flow Rate Theory for Ion Thruster Discharge Cathode Erosion," IEPC-2005-022, 29th International Electric Propulsion Conference, Princeton, NJ, Oct 31-Nov 4, 2005.

Victor, A. L., Zurbuchen, T., Gallimore, A. D., "Development of the Top Hat Electric Propulsion Plume Analyzer (TOPAZ): Mass Analyzer Design and Preliminary Calibration Data," IEPC-2005-016, 29th International Electric Propulsion Conference, Princeton, NJ, Oct 31-Nov 4, 2005.

41st Joint Propulsion Conference (JPC), Tucson, AZ, July 10-13, 2005

Beal, B.E., Gallimore, A.D., and Hargus, Jr., W.A., "The Effects of Cathode Configuration on Hall Thruster Cluster Plume Properties," AIAA-2005-3678, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Herman, D. A., Gallimore, A. D. "Discharge Chamber Plasma Structure of a 40-cm NEXT-type Ion Engine," AIAA-2005-4250, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Herman, D. A., Gallimore, A. D. "Discharge Chamber Plasma Potential Mapping of a 40-cm NEXT-type Ion Engine," AIAA-2005-4251, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Herman, D. A., Gallimore, A. D. "Discharge Cathode Electron Energy Distribution Functions in a 40-cm NEXT-type Ion Engine," AIAA-2005-4252, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Linnell, J.A., Gallimore, A.D., "Efficiency Analysis of a Hall Thruster Operating with Krypton and Xenon," AIAA-2005-3683, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Linnell, J.A., Gallimore, A.D., "Internal Plasma Structure Measurements of a Hall Thruster Using Plasma Lens Focusing," AIAA-2005-4402, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Lobbia, R.B., Gallimore, A.D., "Evaluation and Active Control of Clustered Hall Thruster Discharge Oscillations," AIAA-2005-3679, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Rovey, J.L., Gallimore, A.D., "Design and Operation of a Multiple-Cathode, High-Power, Rectangular Discharge Chamber," AIAA-2005-4407, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Rovey, J.L., Gallimore, A.D., "Dormant Cathode Plasma Properties and Erosion Analysis in a Multiple-Cathode, High-Power, Rectangular Discharge Chamber," AIAA-2005-4241, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Smith, T.B., Ngom, B.B., Linnell, J.A., Gallimore, A.D., "Diode Laser-Induced Fluorescence of Xenon Ion Velocity Distributions," AIAA-2005-4406, 41st Joint Propulsion Conference, Tucson, AZ, July 10-13, 2005.

Victor, A. L., Zurbuchen, T. H., Gallimore, A. D., "The Top Hat Electric Propulsion Plume Analyzer (TOPAZ): Preliminary Data on the BHT600 Cluster", AIAA-2005-3870, 41st Joint Propulsion Conference, Tucson AZ, July 10-13, 2005.

40th Joint Propulsion Conference (JPC), Fort Lauderdale, FL July 11-14, 2004

Herman, D. A., Gallimore, A. D., "Discharge Chamber Plasma Structure of a 30-cm NSTAR-type Ion Engine," AIAA-2004-3794, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

Herman, D. A., Gallimore, A. D., "Near Discharge Cathode Assembly Plasma Potential Measurements in a 30-cm NSTAR-type Ion Engine amidst Beam Extraction," AIAA-2004-3958, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

Hofer, R. R., Gallimore, A. D., "Efficiency Analysis of a High-Specific Impulse Hall Thruster," AIAA-2004-3602, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

Peterson, P. Y., Gallimore, A. D., "The Performance and Plume Characterization of a Laboratory Gridless Ion Thruster with Closed Electron Drift Acceleration," AIAA-2004-3936, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

Smith, T. B., Herman, D. A., Gallimore, A. D., Williams, G. J., "Laser-induced Fluorescence Velocimetry of Xe II in the 30-cm NSTAR-type Ion Engine Plume," AIAA-2004-3963, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

Rovey, J. L., Walker, M. L. R., Gallimore, A. D., Peterson, P. Y., " Evaluation of a Magnetically-Filtered Faraday Probe for measuring the ion current density profile of a Hall thruster," AIAA-2004-3948, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

Victor, A. L., Zurbuchen, T. H., Gallimore, A. D., "Development of the Top Hat Electric Propulsion Plume Analyzer (TOPAZ)," AIAA-2004-4099, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

Walker, M. L. R., Gallimore, A. D., "Performance Characteristics of a Cluster of 5 kW Laboratory Hall Thrusters," AIAA-2004-3767, 40th Joint Propulsion Conference, Fort Lauderdale, FL, July 11-14, 2004.

39th Joint Propulsion Conference (JPC), Huntsville, AL, July 20-23, 2003

Beal, B. E., Gallimore, A. D., Hargus, W. A., "The Effects of Clustering Multiple Hall Thrusters on Plasma Plume Properties," AIAA-2003-5155, 39th Joint Propulsion Conference, Huntsville, AL, July 20-23, 2003.

Herman, D. A., Gallimore, A. D., "Comparison of Discharge Plasma Parameters in a 30-cm NSTAR Type Ion Engine with and without Beam Extraction," AIAA-2003-5162, 39th Joint Propulsion Conference, Huntsville, AL, July 20-23, 2003.

Hofer, R. R., Gallimore, A. D., "Ion Species Fractions in the Far-Field Plume of a High-Specific Impulse Hall Thruster," AIAA-2003-5001, 39th Joint Propulsion Conference, Huntsville, AL, July 20-23, 2003.

Hofer, R. R., Haas, J. M., Gallimore, A. D., "Ion Voltage Diagnostics in the Far-Field Plume of a High-Specific Impulse Hall Thruster," AIAA-2003-4556, 39th Joint Propulsion Conference, Huntsville, AL, July 20-23, 2003.

28th International Electric Propulsion Conference (IEPC), Toulouse, France, March 17-21, 2003

Beal, B. E., Gallimore, A. D., "Energy Analysis of a Hall Thruster Cluster," IEPC-2003-035, 28th International Electric Propulsion Conference, Toulouse, France, March 17-21, 2003.

Herman, D. A., McFarlane, D. S., and Gallimore, A. D.,"Discharge Plasma Parameters of a 30-cm Ion Thruster Measured without Beam Extraction using a High-Speed Probe Positioning System", IEPC-2003-069, 28th International Electric Propulsion Conference, Toulouse, France, March 17-21, 2003.

Hofer, R. R., Gallimore, A. D., "Recent Results from Internal and Very-Near-Field Plasma Diagnostics of a High Specific Impulse Hall Thruster," IEPC-2003-037, 28th International Electric Propulsion Conference, Toulouse, France, March 17-21, 2003.

Walker, M. L. R., Gallimore, A. D., "Hot Flow Pressure Map of a Vacuum Facility as a Function of Flow Rate to Study Facility Effects," IEPC-2003-077, 28th International Electric Propulsion Conference, Toulouse, France, March 17-21, 2003.

38th Joint Propulsion Conference (JPC) Indianapolis, IN, July 7-10, 2002

Beal, B. E., Gallimore, A. D., Hargus, W. A., "Preliminary Plume Characterization of a Low-Power Hall Thruster Cluster," AIAA-2002-4251, 38th Joint Propulsion Conference, Indianapolis, IN, July 7-10, 2002.

Herman, D. A., Gallimore, A. D., "A High-Speed Probe Positioning System for Interrogating the Discharge Plasma of a 30 cm Ion Thruster," AIAA-2002-4256, 38th Joint Propulsion Conference, Indianapolis, IN, July 7-10, 2002.

Hofer, R. R., Gallimore, A. D., "The Role of Magnetic Field Topography in Improving the Performance of High-Voltage Hall Thrusters", AIAA-2002-4111, 38th Joint Propulsion Conference, Indianapolis, IN, July 7-10, 2002.

Walker, M. L. R., Gallimore, A. D., Cai, C., Body, I. D., "Pressure Map of a Facility as a Function of Flow Rate to Study Facility Effects," AIAA-2002-3815, 38th Joint Propulsion Conference, Indianapolis, IN, July 7-10, 2002.

Walker, M. L. R., Hofer, R. R., Gallimore, A. D., "The Effects of Nude Faraday Probe Design and Vacuum Facility Backpressure on the Measured Ion Current Density Profile of Hall Thruster Plumes," AIAA-2002-4253, 38th Joint Propulsion Conference, Indianapolis, IN, July 7-10, 2002.

40th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 14-17, 2002

Gilchrist, B. E., Bilén, S. G., Gallimore, A. D., Choiniere, E., Herman, D., " Current Collection to Long Conductors with Wide Geometries for Bare Electrodynamic Tether Applications: A Laboratory Update," AIAA-2002-1123, 40th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, January 14-17, 2002.

27th International Electric Propulsion Conference (IEPC), Pasadena, CA, October 14-19, 2001

Hofer, R. R., Walker, M. L. R., Gallimore, A. D., "A Comparison of Nude and Collimated Faraday Probes for Use with Hall Thrusters," IEPC-01-020, 27th International Electric Propulsion Conference, Pasadena, CA, October 15-19, 2001.

Hofer, R. R., Peterson, P. Y., Gallimore, A. D., "A High Specific Impulse Two-Stage Hall Thruster with Plasma Lens Focusing," IEPC-01-036, 27th International Electric Propulsion Conference, Pasadena, CA, October 15-19, 2001. 

Hofer, R. R., Peterson, P. Y., Gallimore, A. D., "Characterizing Vacuum Facility Backpressure Effects on the Performance of a Hall Thruster," IEPC-01-045, 27th International Electric Propulsion Conference, Pasadena, CA, October 15-19, 2001. 

Peterson, P. Y., Gallimore, A. D., Haas, J. M., "Experimental Investigation of a Hall Thruster Internal Magnetic Field Topography," IEPC-01-030, 27th International Electric Propulsion Conference, Pasadena, CA, October 15-19, 2001.

Smith, T. B., Herman, D. A., Gallimore, A. D., and Drake, R. P., "Deconvolution of Axial Velocity Distributions from Hall Thruster LIF Spectra," IEPC-01-019, 27th International Electric Propulsion Conference, Pasadena, CA, October 15-19, 2001.

37th Joint Propulsion Conference (JPC) Salt Lake City, UT, July 8-11, 2001

Beal, B. E., Gallimore, A. D., "Development of the Linear Gridless Ion Thruster," AIAA-2001-3649, 37th Joint Propulsion Conference, Salt Lake City, UT, July 8-11, 2001.

Gallimore, A.D., et al., "Review of the EP Activities of US Academia," AIAA-2001-3227, 37th Joint Propulsion Conference, Salt Lake City, UT, July 8-11, 2001.

Haas, J. M., Gallimore, A. D., "Considerations on the Role of the Hall Current in a Laboratory-Model Thruster," AIAA-2001-3507, 37th Joint Propulsion Conference, Salt Lake City, UT, July 8-11, 2001.

Peterson, P. Y., Gallimore, A. D., Haas, J. M., "Experimental Investigation of Hall Thruster Internal Magnetic Field Topography," AIAA-2001-3890, 37th Joint Propulsion Conference, Salt Lake City, UT, July 8-11, 2001.

36th Joint Propulsion Conference (JPC) Huntsville, AL, July 16-19, 2000

Haas, J.M., Gallimore, A.D., "An Investigation of Internal Ion Number Density and Electron Temperature Profiles in a Laboratory-Model Hall Thruster," AIAA-00-3422, 36th Joint Propulsion Conference (JPC) Huntsville, AL, July 16-19, 2000.

Williams, G., Smith, T., Gallimore, A.D., "FMT-2 Discharge Cathode Erosion Rate Measurements via Laser Induced Fluorescence,"  AIAA-00-3663, 36th Joint Propulsion Conference (JPC) Huntsville, AL, July 16-19, 2000.

Morris, D., Gilchrist, B., Gallimore, A., Jensen, K., "Developing Field Emitter Array Cathode Systems for Electrodynamic Tether Propulsion," AIAA-00-3867, 36th Joint Propulsion Conference (JPC) Huntsville, AL, July 16-19, 2000.

27th IEEE International Conference on Plasma Science (ICOPS) New Orleans, LA, June 4-7, 2000

Beal, B.E., Haas, J.M., Gallimore, A.D., "Plasma Density Measurements Inside a Laboratory Model Hall Thruster Using a Resonance Probe Diagnostic," ICOPS-00-4A03, 27th IEEE International Conference on Plasma Science (ICOPS) New Orleans, LA June 4-7, 2000.

Hofer, R.R., Haas, J.M., Peterson, P.Y., Martinez, R.A., and Gallimore, A.D., "Optimization of Hall Thruster Magnetic Field Topography," ICOPS-00-5P02, 27th IEEE International Conference on Plasma Science (ICOPS) New Orleans, LA June 4-7, 2000.

Peterson, P.Y., Haas, J.M., Hofer, R.R., Martinez, R.A., and Gallimore, A.D., "Experimental Investigation of Hall Thruster Magnetic Field Topography," ICOPS-00-4A06, 27th IEEE International Conference on Plasma Science (ICOPS) New Orleans, LA June 4-7, 2000.

Smith, T.B., Williams, G.J., Hidaka, Y., Glick, K., and Gallimore, A.D., "Spectroscopic Characterization of FMT-2 Discharge Ionization Processes," ICOPS-00-4A08, 27th IEEE International Conference on Plasma Science (ICOPS) New Orleans, LA June 4-7, 2000.

26th International Electric Propulsion Conference (IEPC) Kitakyushu, Japan, October 1999

Haas, J.M., and Gallimore, A.D., "Characterization of the Internal Plasma Structure of a 5 kW Hall Thruster,"  IEPC-99-078, 26th International Electric Propulsion Conference, Kitakyushu, Japan, October 1999.

Hofer, R.R., Haas, J.M., and Gallimore, A.D., "Development of a 45-Degree Parallel-Plate Electrostatic Energy Analyzer for Hall Thruster Plume Studies: Preliminary Data,"  IEPC-99-113, 26th International Electric Propulsion Conference, Kitakyushu, Japan, October 1999.

Williams, G.J., Smith, T.B., Patrick, T.A., and Gallimore, A.D., "Characterization of the FMT-2 Discharge Cathode Plume," IEPC-99-104, 26th International Electric Propulsion Conference, Kitakyushu, Japan, October 1999.

35th Joint Propulsion Conference (JPC) Los Angeles, CA, June 1999

Bilén, S.G. Haas, J.M., Gulczinski, F.S. Gallimore, A.D., and Letoutchaia, J.N., "Resonance-Probe Measurements of Plasma Densities in Electric Propulsion Plumes," AIAA-99-2714, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Bilén, S.G., Domonkos, M.T., and Gallimore, A.D., "The Far-field Plasma Environment of a Hollow Cathode Assembly," AIAA-99-2861, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Davis, C.N., Gilchrist, B.E., and Gallimore, A.D., "Density and Spectral Measurements using a 34 GHz Interferometry System," AIAA-99-2718, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Domonkos, M.T., Gallimore, A.D., Williams, G.J., and Patterson, M.J., "Low-current Hollow Cathode Evaluation," AIAA-99-2575, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Gulczinski, F.S., Hofer, R.R., and Gallimore A.D., "Near-field Ion Energy and Species Measurements of a 5 kW Laboratory Hall Thruster, " AIAA-99-2430, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Haas, J.M., Hofer, R.R., and Gallimore, A.D., "Hall Thruster Discharge Chamber Plasma Characterization Using a High-Speed Axial Reciprocating Electrostatic Probe," AIAA-99-2426, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Kim, S., and Gallimore, A.D., "Plume Study of a 1.35 kW SPT-100 Using an ExB Probe, " AIAA-99-2423, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Williams, G.J., Smith, T.B., Gulczinski, F.S., Beal, B.E., Gallimore, A.D., and Drake, R.P., "Laser Induced Fluorescence Measurement of Ion Velocities in the Plume of a Hall Effect Thruster," AIAA-99-2424, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

Williams, G.J., Smith, T.B., Domonkos, M.T., Shand, K.J., Gallimore, A.D., and Drake, R.P., "Laser Induced Fluorescence Characterization of Ion Emitted from Hollow Cathodes," AIAA-99-2862, 35th Joint Propulsion Conference, Los Angeles, CA, June 1999.

34th Joint Propulsion Conference (JPC) Cleveland, OH, July 12-15, 1998

Williams, G. J, Domonkos, M. T., Gulczinski, F. S., Haas, J.M., Gallimore, A. D., " Near-field Characterization of Hollow Cathode Assembly Emission," AIAA-98-3658, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

King, L. B., and Gallimore, A. D., "Ion Energy Diagnostics in the Plume of an SPT-100 from Thrust Axis to Backflow Region," AIAA-98-3641, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

King, L. B., and Gallimore, A. D., "Propellant Ionization and Mass Spectral Measurements in the Plume of an SPT-100," AIAA-98-3657, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Haas, J. M., Gulczinski, F. S., Gallimore, A. D., Spanjers, G.G., Spores, R.A., "Performance Characteristics of a 5 kW Laboratory Hall Thruster," AIAA-98-3503, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Haas, J.M., et. al., "An Investigation of Electrostatic Probe Perturbations on the Operational Characteristics of a Hall Thruster and on the Measurement of Local Plasma Parameters," AIAA 98-3656, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Domonkos, M. T., Gallimore, A. D., and Patterson, M. J., "Parametric Investigation of Orifice Aspect-Ratio Effects on Low-Current Hollow Cathode Power Consumption" AIAA-98-3345, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Domonkos, M. T., Gallimore, A. D., and Patterson, M. J., "Thermographic Investigation of 3.2-mm-Diameter Orifice Hollow Cathodes" AIAA-98-3793, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Marrese, C. M., Gallimore, A. D., Spindt, Polk, J. E., Goodfellow, K. D., and Jensen, K. L., "Field Emission Array Cathodes for Electric Propulsion Systems," AIAA-98-3484, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Gilchrist, B. E., Davis, C., Carlson, D., and Gallimore, A. D., "Electromagnetic Wave Scattering Experiments in Hall Thruster Plasma Plumes," AIAA-98-3642, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Burton, R. L, Gallimore, A. D., et al. "Overview of US Academic Programs in Electric Propulsion," AIAA-98-3182, 34th Joint Propulsion Cleveland, OH, July 12-15, 1998.

Selected Conference Publications (1993-1997)

Van Noord, J., Gallimore, A. D., and Rawlin, V. K., "Numerical Thermal Model of a 30-cm NSTAR Ion Thruster," Proceedings of the 25th International Electric Propulsion Conference, Cleveland, OH, Aug. 24-28 1997.

Domonkos, M. T., Gallimore, A. D., and Patterson, M. J., "Operation of 3.1 mm Orificed Hollow Cathodes," Proceedings of the 25th International Electric Propulsion Conference, Cleveland, OH, Aug. 24-28 1997.

Domonkos, M. T., Gallimore, A. D., and Patterson, M. J., "An Evaluation of Hollow Cathode Scaling to Very Low Power and Flow Rate," IEPC-97-189, Proceedings of the 25th International Electric Propulsion Conference, Cleveland, OH, Aug. 24-28 1997.

Marrese, C. M., and Gallimore, A. D., "Development of a Single-Orifice Retarding Potential Analyzer for Hall Thruster Plume Characterization," Proceedings of the 25th International Electric Propulsion Conference, Cleveland, OH, Aug. 24-28 1997.

Marrese, C. M., Gallimore, A. D., Mackie, W. A., and Evans D. E., "The Design of a Cathode to Operate in an Oxygen-Rich Environment," Space Technology and Applications International Forum (STAIF-97), Albuquerque, NM, January 26-30, 1997.

Kim, S. W., Foster, J. E., and Gallimore, A. D., "Very-Near-Field Plume Measurements of the SPT-100," Proceedings of the Space Transportation Symposium at the Institute of Space and Astronautical Science in Sagamihara, Japan on Jan. 13-14, 1997.

Gulczinski III, F. S., Gallimore, A. D., Carlson, D. O., and Gilchrist, B. E., "Impact of Anode Layer Thruster Plumes on Satellite Communications," AIAA-97-3067, 33rd Joint Propulsion Conference, Seattle, WA, July 6-9, 1997.

Domonkos, M. T., Marrese, C. M., Haas, J. M., and Gallimore, A. D., "Very Near-Field Plume Investigation of the D55," AIAA-97-3062, 33rd Joint Propulsion Conference, Seattle, WA, July 6-9, 1997.

King, L. B., and Gallimore, A. D., "A Molecular Beam Mass Spectrometer for Hall Thruster Plume Studies: Preliminary Data," AIAA-97-3066, 33rd Joint Propulsion Conference, Seattle, WA, July 6-9, 1997.

Gulczinski III, F. S., Spores, R.A., "Analysis of Hall-effect Thrusters and Ion Engines for Orbit Transfer Missions," AIAA-96-2973, 32nd Joint Propulsion Conference, Orlando, FL, July, 1996.

Marrese, C. M., Haas, J. M., Domonkos, M. T., Gallimore, A. D., Tverdoklebov, S., and Garner, C., "D-100 Performance and Plume Characteristics on Krypton," AIAA-96-2969, 32nd Joint Propulsion Conference, Orlando, FL, July, 1996.

Kim, S. W., Foster, J. E., and Gallimore, A. D., "Very-Near-Field Plume Study of a 1.35 kW SPT-100," AIAA-96-2972, 32nd Joint Propulsion Conference, Orlando, FL, July 1996.

Ohler, S. G., Ruffin, A. B., Gilchrist, B. E., and Gallimore, A. D., "RF Signal Impact Study of an SPT," AIAA-96-2706, 32nd Joint Propulsion Conference, Orlando, FL, July 1996.

Gallimore, A. D., Gilchrist, B. E., King, L. B., Ohler, S. G., and Ruffin, A. B., " Plume Characterization of the SPT-100," AIAA-96-3298, 32nd Joint Propulsion Conference, Orlando, FL, July, 1996.

King, L. B., and Gallimore, A. D., "Ionic and Neutral Particle Transport Property Measurements in the Plume of an SPT-100," AIAA-96-2712, 32nd Joint Propulsion Conference, Orlando, FL, July 1996.

Ohler, S. G., Gilchrist, B. E., and Gallimore, A. D., "Ion Acoustic Wave Characterization in a Moving Plasma to Find Bulk Plasma Flow Velocity," IEEE International Conference on Plasma Science (ICOPS), Boston, MA, June 3 - 5, 1996.

Marrese, C., Gallimore, A. D., and Khartov, S., "Stationary Plasma Thruster Performance Characteristics on Krypton,'' AIAA-95-2932, 31st Joint Propulsion Conference, San Diego, CA, July 1995.

Domonkos, M. T., Gallimore, A. D., Myers, R. M., and Thompson, E., "Preliminary Pulsed MPD Thruster Performance," AIAA-95-2674, 31st Joint Propulsion Conference, San Diego, CA, July 1995.

King, L. B., and Gallimore, A. D., "Determining Thruster Plume Impingement Forces and Free Stream Dynamic Pressure from Body Cavity Pressure Measurements at Transitional Knudsen Numbers," AIAA-95-3150, 31st Joint Propulsion Conference, San Diego, CA, July 1995.

Ohler, S., Gilchrist, B. E., and Gallimore, A. D., "Microwave Plume of an SPT-100 using Xenon and Laboratory Model SPT using Krypton," AIAA-95-2931, 31st Joint Propulsion Conference, San Diego, CA, July, 1995.

Marrese, C., Polk, J. E., King, L. B., Garner, C., Gallimore, A. D., Semenkin, S., Tverdoklebov, S., and Garkusha, V., "Analysis of Anode Layer Thruster Guard Ring Erosion," IEPC-95-196, 24th International Electric Propulsion Conference, Moscow, Russia, Sept. 1995.

Gallimore A. D., Reichenbacher, M. L., Marrese, C., Kim, S. W., and Foster, J. E., " Preliminary Characterization of a Low Power End-Hall Thruster,'' AIAA-94-3012, Joint Propulsion Conference, Indianapolis, IN, June, 1994.

Myers, R. M., Domonkos, M., and Gallimore, A. D., "Evaluation of Externally Heated Pulsed MPD Thruster Cathodes," IEPC-93-116, International Electric Propulsion Conference, Seattle, WA, Sept. 1993.

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