Dan M. Goebel

Dan M. Goebel received a B.S. in physics, an M.S. in electrical engineering, and a Ph.D. in applied plasma physics from the University of California, Los Angeles, in 1977, 1978 and 1981 respectively. He is a Senior Research Scientist at the Jet Propulsion Laboratory, an Adjunct Professor of Electrical Engineering at USC and an Adjunct Professor of Electrical Engineering at UCLA. He is a Member of the National Academy of Engineering, a Fellow of the National Academy of Inventors, Fellow of the IEEE, Fellow of the AIAA, Fellow of the American Physical Society (APS) and former Chair of the AIAA Electric Propulsion Committee and the IEEE EDS Vacuum Devices Technical Committee. He holds 52 patents and is the author of over 125 technical journal papers, 150 conference papers, 8 book chapters, and one book (with I.Katz) Fundamentals of Electric Propulsion, John Wiley and Sons, NJ 2008. He is an internationally recognized expert in electric propulsion, microwave sources, advanced plasma sources and high voltage engineering.  At JPL his main research area is in ion and Hall thrusters for deep space solar electric propulsion missions, and he applies his expertise in internal electrostatic discharges, microwave devices, power systems and communications systems to JPL projects.


Education: 
  • B.S. (Physics), University of California at Los Angeles, 1977
  • M.S. (Electrical Engineering), UCLA, 1978
  • Ph.D. (Applied Plasma Physics, Electrical Engineering Department), UCLA, 1981

 


Research Interests: 

Electric propulsion, high efficiency ion and Hall thrusters, cathodes, high voltage engineering, microwave devices and microwave communications, pulsed power


Professional Experience: 

Employment

  • Jet Propulsion Laboratory; Senior Research Scientist 1/03-Present
  • University of Southern California; Adjunct Professor 12/99 – present
  • University of California, Los Angeles; Adjunct Professor, 3/07 - present
  • HRL/Hughes/Boeing; Principal Scientist 9/88 – 12/02
  • Plasma & Materials Technology (listed on the NASDAQ); Co-founder and Research Director 1/86 - 6/92
  • University of California, Los Angeles; Research Staff, Principal Development Engineer 4/82 - 8/88
  • University of California, Los Angeles; Postdoctoral Scholar 3/81 - 4/82

 

Professional Society Memberships

  • Member of the National Academy of Engineering (NAE)
  • Fellow of the National Academy of Inventors (NAI)
  • Fellow of the Institute of Electrical and Electronics Engineers (IEEE)
  • Fellow of the American Institute of Aeronautics and Astronautics (AIAA)
  • Fellow of the American Physical Society (APS)

 

Journal Editorial Service

  • IEEE Transactions on Electron Devices, Associated Editor for Vacuum Devices (2000-2005)

 

Teaching

  • Adjunct Professor, University of Southern California, 2000-present
  • Adjunct Professor, University of California at Los Angeles, 2007-present

Selected Awards: 
  • Associated Western Universities Research Scholarship (1978)
  • IEEE Nuclear and Plasma Society National Graduate Student Award (1980)
  • Outstanding Ph.D. Candidate, UCLA School of Engr. and Applied Science (1981)
  • Hughes Electronics Achievement Awards (1990, 1992)
  • HRL Outstanding Published Paper Awards (1993, 1996)
  • Hughes Space and Communications Outstanding Patent Award (1997)
  • Hughes Electron Dynamics Outstanding Patent Award (1998)
  • Hughes Space and Communications Technical Achievement Award (2000)
  • Hughes Electronics Chairman’s Award (2000)
  • Boeing Satellite Systems President’s Honor Award (2001)
  • Boeing Technical Achievement Award (2002)
  • Boeing Technical Fellow (2002)
  • IEEE William Dunbar High Voltage Achievement Award (2004)
  • AIAA Best Paper Award, Joint Propulsion Conference (2005, 2012, 2013)
  • International Electric Propulsion Conference Best Paper Award (2009)
  • JPL Bonus Award and Team Awards (2005, 2006, 2007, 2009, 2010)
  • NASA Engineering Achievement Medal (2011)
  • NASA Inventions and Contributions Award (2011)
  • NASA Space Act Award (2012)
  • IEEE John R. Pierce Award for Excellence in Vacuum Electronics (2014)
  • Rotary National Award for Space Achievement for Solar Power Team (2015)

Selected Publications: 

Patents

  1. High current density cathode structure          U.S.#4,297,615  October 27, 1981
  2. Plasma apparatus for materials                       U.S.#4,885,070  Dec. 5, 1989
  3. Hollow cathode plasma switch                       U.S.#5,132,597  July 21, 1992
  4. Ion implantation & processing method          U.S.#5,212,425  May 18, 1993
  5. Plasma source for ion implantation                U.S.#5,218,179  June 8, 1993
  6. Method of implanting ions from a plasma      U.S.#5,296,272  March 22, 1994
  7. High-voltage crossed-field plasma switch     U.S.#5,329,205  July 12, 1994
  8. High-speed plasma-closing switch                 U.S.#5,336,975  August 9, 1994
  9. High-impedance plasma ion implantation      U.S.#5,330,800  July 19, 1994
  10. High repetition-rate plasma-cathode E-gun    U.S.#5,537,005  July 16, 1996
  11. High-impedance plasma ion implantation      U.S.#5,607,509  March 4, 1997
  12. Plasma switch with current interruption         U.S.#5,608,297  March 4, 1997
  13. Apparatus for coating substrates                    U.S.#5,656,141  August 12, 1997
  14. Plasma filled microwave amp and oscillator  U.S.#5,668,442  Sept. 16, 1997
  15. Protection technique for comm TWTs            U.S.#6,324.041  Nov. 27, 2001
  16. Compact rare earth emitter HC                      U.S.#8,143,788   Mar. 27, 2012
  17. Metallic wall Hall thrusters                            US20140053531 Feb 27, 2014
  18. Metallic wall Hall thruster configuration       CIT-6104-C2       pending
  19. Hall thruster magnetic discharge chamber     CIT-6843-P2       pending
  20. Power Train Deep Space Solar Elec. Prop     LORLP-268        pending
  21. High impedance plasma implantation            EP#0596496      April 27, 1994
  22. Plasma source arrangement for ion implant   CP#2,052,080    Jan. 14, 1997
  23. Ion implant. and surf processing                     CP#2,052,543    Jan. 28, 1997
  24. Triggered plasma waveguide shutter              U.S.#5,663,694  Sept. 2, 1997
  25. Plasma assisted µwave source with B-field   U.S.#5,694,005  Dec. 2, 1997
  26. Planar crossed-field plasma switch               U.S.#5,828,176  October 27, 1998
  27. Low cost, compact, low frequency TWT       U.S.#5,932,971  August, 3, 1999
  28. Optimally designed TWT for back-off           U.S.#5,942,852  August 24, 1999
  29. Efficient TWT collector                                  U.S.#6,094,009  July 25, 2000
  30. Apparatus for coating substrates                    EP#463230        Dec. 10, 1990
  31. Plasma source arrangement                            EP#0480688      April 15, 1992
  32. Surface ion implantation                                 EP#0480689      April 15, 1992
  33. Hollow cathode plasma switch                       EP#0506001      Sept. 30, 1992
  34. Grid modulated 100 kV plasma switch          EP#0574933      Dec. 22, 1993
  35. High current crossed field plasma switch       EP#0594087      April 27, 1994
  36. Triggered plasma microwave switch              EP#0794588      Oct. 9, 1997
  37. Efficient, linear TWT for communications     EP#0883154      Dec. 9, 1998
  38. High efficiency collector for TWTs                EP#0883151      Dec. 9, 1998
  39. Optimally designed TWT for back off           EP#0883153      Dec. 9, 1998
  40. Circuit for production of comm TWTs           EP#1094488      April 25, 2001
  41. Cathode sputtering apparatus                          EP#0308680      March 29, 1989
  42. Apparatus for coating substrates                    EP#0463230A1 Dec. 10, 1990
  43. Cathode sputtering device                              DE#3830478      July 13, 1989
  44. Apparatus for thin film coating                      DE#4020158      Jan. 2, 1992
  45. Apparatus for coating substrates                    DE#4026367      Dec. 7, 1994
  46. Ion implantation and surface processing        DE#69112166    Jan 4, 1996
  47. High-voltage crossed-field plasma switch     DE#69307026    July 24, 1997
  48. Compact crossed-field plasma switch            DE#69318506    May 13, 1998
  49. High-impedance plasma ion implantation      DE#69324326    May 12, 1999
  50. Optimal entworfene Wanderfeldröhre           DE#69825218    July 28, 2004
  51. Apparatus for Coating Material                      CN#1033297A  Sept. 21, 1988
  52. High-impedance plasma ion implantation      CP#2,102,384    Jan. 11, 2000

U.S.=United States, EP=European, DE = German, CN=China, CP=Canadian

 

NASA New Technology Reports (NTRs)

  1. NTR # 43494, 2006“Extremely high efficiency xenon ion thruster”
  2. NTR # 43495, 2006 “Method for doubling xenon ion thruster life”
  3. NTR # 43564, 2006 “Highly efficient hollow cathode for plasma and EP applications”
  4. NTR # 43574, 2006, “Rare-earth emitter hollow cathode for space propulsion applications”
  5. NTR # 44923. 2007, “Compact, High-Current Rare-Earth Hollow Cathode for Space
  6. NTR # 44961, 2007, “Precision Micro-propulsion Ion Thruster”
  7. NTR # 46782, 2008, “Improved Rare-Earth Emitter Hollow Cathode for Space Propulsion”
  8. NTR # 47347, 2009, “Internal Electrostatic Discharge Monitor (IESDM)”
  9. NTR # 47388, 2009, ”Breakthrough Hall Thruster Technology”
  10. NTR # 47901, 2010, “Co-Flow Hollow Cathode Technology”
  11. NTR # 48483, 2011. “Metallic Wall Hall Thrusters”
  12. NTR # 49427, 2013, “Hall Thruster with Magnetic Discharge Chamber”
  13. NTR # 49857, 2015, “Power control architecture for a deep space SEP mission”
  14. NTR # 50449, 2017, “Low Power Hall Thruster with internal Cathode”

 

Books and Book Chapters

  1. D.M. Goebel and I. Katz, Fundamentals of Electric Propulsion Ion and Hall Thrusters, John Wiley & Sons, NJ, 2008.
  2. D.M. Goebel and J. Foster, Chapter 119, “Ion Thrusters”, in Encyclopedia of Aerospace Engineering, R. Blockley and W. Shey (eds), John Wiley & Sons, UK, 2010.
  3. D.M. Goebel, “Gridded Ion Thrusters”, Chapter 13.3 of Advanced Materials for In-Space Propulsion, L. Johnson and T. Russell (eds.), AIAA Book Series, (2012).
  4. Bryan A. Palaszewski, Michael L. Meyer, Les Johnson, Dan M. Goebel, Harold White, and David J. Coote, “In-Space Chemical Propulsion System Roadmap” Chapter 7 in Chemical Rocket Propulsion, Springer, Switzerland 2017.
  5. D.M. Goebel, co-author of Chapter 2, “Historical Highlights”, and co-author of Chapter 7, “Communications Applications of Vacuum Electronic Devices” in Modern Microwave and Millimeter-Wave Power Electronics, IEEE Press, NY 2004.
  6. D.M. Goebel, co-author of Chapter 4, “Pulse Shortening and Improved High Vacuum Techniques”, Chapter 8: “Cathodes and Electron Guns”, Chapter 9 “Plasma Assisted Beam Transport”, and Chapter 10: “Plasma Loading of HPM Devices, in Advances in High Power Microwave Sources and Technologies, IEEE Press, NY 2001.
  7. D.M. Goebel, author of Chapter 7, “Plasma Sources”, and co-author of Chapter 8 “Pulser Technology for Plasma-Immersion Ion Implantation and Deposition”, Handbook of Plasma Immersion Ion Implantation and Deposition, Wiley, New York (Sept. 2000).

 

Selected Refereed Technical Journal Publications

  1. D.M. Goebel, R.R. Hofer, I.G. Mikellides, I. Katz, J.E. Polk and B. Dotson, “Conducting Wall Hall Thrusters”, IEEE TPS Special Issue on Plasma Propulsion, Vol. 43, Issue 1, pp118-126, (2015).
  2. D.M. Goebel and E. Chu, “High Current Lanthanum Hexaboride Hollow Cathode for High Power Hall Thrusters”, J. Propulsion and Power, Vol.30, No. 1, pp 35-40, (2014), doi: 10.2514/1.B34870
  3. D.M. Goebel, K.K. Jameson and R.R. Hofer, “Hall Thruster Cathode Flow Impacts on Cathode Coupling and Cathode Life”, J. Propulsion and Power, 28, No.2, pp.355-363, (2012).
  4. D.M. Goebel, J.E. Polk, I. Mikellides, “Ion Thruster Performance Impacts Due to Cathode Wear”, J. of Propulsion and Power, 27, No.4, pp. 768-775 (2011).
  5. D.M. Goebel and R.M. Watkins, “Compact Lanthanum Hexaboride Hollow Cathode”, Rev. Sci. Instrum., 81, 083504, (2010).
  6. D.M. Goebel, “Analytical Discharge Performance Model for rf Ion Thrusters”, IEEE Transactions on Plasma Science, 36, p. 2111-2121, (2008).
  7. D.M. Goebel, K. Jameson, I. Katz and I. Mikellides, “Potential Fluctuations and Energetic Ion Production in Hollow Cathode Discharges”, Physics of Plasmas, 14, 103508 (2007).
  8. D.M. Goebel, R.E. Wirz, and I. Katz, “Analytical Ion Thruster Discharge Performance Model”, Journal of Propulsion and Power, 23, No.5, p.900 (2007).
  9. D.M. Goebel, R.M. Watkins and K. Jameson, “LaB6 Hollow Cathodes for Ion and Hall Thrusters”, AIAA Journal of Propulsion and Power, 23, No.3, p.527-528 (2007).
  10. D.M. Goebel, K. Jameson, I. Katz and I. Mikellades, “Hollow Cathode Theory and Modeling: I. Plasma Characterization with Miniature Fast-Scanning Probes”, J. App. Phys., 98(11), 113302 (2005).
  11. D.M. Goebel and A. Schneider, “High Voltage Breakdown and Conditioning of Carbon and Molybdenum Electrodes”, IEEE Trans. Plasma Sci., 33, 1136–1148, (2005).
  12. D.M. Goebel, W.L. Menninger and A. Schneider, “Gain Increases Through End of Life in Traveling Wave Tubes, IEEE Trans. Electron Devices, 50, 1117-1124 (2003).
  13. D.M. Goebel, R.Liou, W. Menninger, X. Zhai, and E.A. Adler, “Development of linear TWT amplifiers for telecommunications Applications”, IEEE Transactions on Electron Devices, 48, 74-81 (2001).
  14. D.M. Goebel, “Theory of Long Term Gain Growth in Traveling Wave Tubes”, IEEE Trans. on Electron Devices, 47, 1286-1292 (2000).
  15. D.M. Goebel and R.M. Watkins, “High Current, Low Pressure Plasma Cathode Electron Gun”, Rev. Sci. Instrum., 71, 388-398 (2000).
  16. D.M. Goebel, J.G.Keller, W.L.Menninger, S.Blunk, “Gain Stability in Traveling Wave Tubes”, IEEE Transactions on Electron Devices, 46, 2235-2243 (1999).
  17. D.M. Goebel, Y.Carmel, G.Nusinovich, “Advances in Plasma Filled Microwave Sources”, Physics of Plasmas, 6, 2225-2232 (1999).
  18. D.M. Goebel, E.S.Ponti, R.W.Lemke, “Frequency and Power Response of High-Power Plasma-filled BWO Microwave Source”, Physics of Plasmas Letters, 6, 2319-2322 (1999).
  19. D.M. Goebel, E.A.Adler,  E.S.Ponti, J.Feicht, R.Eisenhart, R.W.Lemke, “Efficiency Enhancement in High Power Microwave Oscillators”, IEEE Trans. Plasma Sci., 27, 800-808 (1999).
  20. D.M. Goebel, “Pulse Shortening Causes in High Power Microwave Devices”, IEEE Trans. Plasma Science, 26 263-272 (1998).
  21. D.M. Goebel, “Performance and Pulse Shortening in a 200 keV Pasotron Microwave Source”, IEEE Trans. Plasma Science, 26 354-363 (1998).
  22. D.M. Goebel, "Cold-Cathode, Pulsed-Power Plasma Discharge Switch", Rev. Sci. Instru., 67, (1996) 3136.
  23. D.M. Goebel, J.M. Butler, R.W. Schumacher, R.L. Eisenhart, "High Power Microwave Source Based on an Unmagnetized Backward Wave Oscillator, IEEE Trans. Plasma Science, 22, 547-555 (1994).
  24. D.M. Goebel, "High Power Modulator for Plasma Ion Implantation," J. Vac. Sci. Tech. B, 12, (1994) 838-842.
  25. D.M. Goebel, R.L. Poeschel, R.W. Schumacher, "Low Forward Voltage Drop Plasma Switch for Inverter and Modulator Applications," Rev. Sci. Instrum.64 (1993) 2312.
  26. D.M.Goebel, J.Bohdansky, R.W.Conn, Y.Hirooka, W.K.Leung, B. LaBombard, R.E.Nygren, G.N.Tynan, "Erosion and Plasma Redeposition of Graphite by Hydrogen Plasmas", Fusion Technology 15 (1989) 102-107.
  27. D.M.Goebel, et al., "ALT-II Toroidal Belt Pump Limiter Performance in TEXTOR," J.Nucl. Mat. 162-164 (1989) 115.
  28. D.M.Goebel, J.Bohdansky, R.W.Conn, et al., "Erosion and Redeposition of Graphite by High Density Plasma Bombardment", Nuclear Fusion 28 (1988) 1041.
  29. D.M.Goebel, G.A.Campbell, R.W.Conn, et al.,"Langmuir Probe Measurements in the TEXTOR Tokamak During  ALT-I Pump Limiter Experiments," Plasma Physics and Controlled Fusion 29 (1987) 473.
  30. D.M.Goebel, Y.Hirooka, R.W.Conn, et al., "Erosion and Redeposition Experiments in the PISCES Facility,"  J.Nucl. Mat. 145-147 (1987) 61.
  31. D.M. Goebel, "Pump Limiter Experiments and Engineering," Fusion Technology 10 (1986) 761.
  32. D.M.Goebel, Y.Hirooka, T.A.Sketchley, "Large Area Lanthanum Hexaboride Electron Emitter," Rev. Sci. Instrum. 56 (1985) 1717.
  33. D.M.Goebel, Y.Hirooka, G.A.Campbell, "Large Area Lanthanum Molybdenum Electron Emitter," Rev. Sci. Instrum. 56 (1985) 1888.
  34. D.M. Goebel, G.A. Campbell, R.W. Conn, "Plasma Surface Interaction Facility-PISCES", J.Nucl. Mat. 121 (1984) 277.
  35. D.M. Goebel, R.W. Conn, "Observation of Enhanced Particle Removal Rates in Pump Limiter Simulation Experiments", J.Nucl.Mat. 128 (1984) 249.
  36. D.M. Goebel "Ion Source Discharge Performance and Stability", Physics of Fluids, 25 (1982) 1093.
  37. D.M. Goebel, A.T. Forrester, J.T. Crow, "Plasma Studies on a Hollow Cathode, Magnetic Multipole Ion Source", Rev. Sci. Instrum. 53 (1982) 810.
  38. D.M. Goebel, A.T. Forrester, S. Johnson, " Lanthanum Molybdenum Emitters in Hollow Cathodes", Rev. Sci. Instrum. 51 (1980) 1468.
  39. D.M. Goebel, J.T. Crow, A.T. Forrester, "Lanthanum Hexaboride Hollow Cathode for Dense Plasma Production", Rev. Sci. Instrum. 49 (1978) 469.
  40. D.M. Goebel, G.W. Hamilton, " Neutral Beam Injector for 475 keV MARS Sloshing Ions", in: Production and Neutralization of Negative Ions and Beams, American Institute of Physics Proc. 111 (1984) 617, re-published in Nuclear Engineering and Design/Fusion, 3 (1986).
  41. M.S. McDonald, A.D. Gallimore and D.M. Goebel, “Improved Heater Design for High-Temperature Hollow Cathodes”, Rev. Sci. Instrum. 88, 026104 (2017); doi:10.1063/1.4976728
  42. A. Lopez-Ortega, I. Katz, I.G. Mikellides, D.M. Goebel, “Self-Consistent Model of a High Power Hall Thruster Plume”, IEEE Trans. Plasma Sci., Vol. 43, No. 9, pp. 2875-2886 (2015).
  43. R.W. Conversano and D.M. Goebel, “Improved Model of Long-Term Gain Increases in Traveling Wave Tubes”, IEEE Transactions on Electron Devices, Vol. 62, Issue 2, pp. 652-658, (2015).
  44. I.G. Mikellides, D.M. Goebel, B.A. Jorns, J.E. Polk and P. Guerrero, “Numerical simulations of the Partially Ionized Gas in a 100-A LaB6 Hollow Cathode”, IEEE TPS Special Issue on Plasma Propulsion, Vol. 43, Issue 1, pp 173-184, (2015).
  45. R.W. Conversano, D.M. Goebel, R.R. Hofer and R. Wirz, “Development and Initial Testing of a Magnetically Shielded Miniature Hall Thruster”, IEEE TPS Special Issue on Plasma Propulsion, Vol. 43, Issue 1, pp 103-117, (2015).
  46. D.Y. Oh, J.S. Snyder, D.M. Goebel, R.R. Hofer, D.F. Landau, and T.M. Randolph, “Solar Electric Propulsion for Discovery Class Missions”, J. Spacecraft and Rockets, 51, pp. 1822-1835, (2014) 10.2514/1.A32889
  47. B. A. Jorns, I.G. Mikellides, D.M. Goebel, “Ion Acoustic Turbulence in a 100-A LaB6 Hollow Cathode”, Physical Review E, 90, 063106 (2014).
  48. I.G. Mikellides, I. Katz, R.R. Hofer, D.M. Goebel, “Magnetic Shielding of Hall Thrusters at High Discharge Voltages,”, J. Appl. Phys. 116, 053302 (2014).
  49. H.S. Mao, R.E. Wirz and D.M. Goebel, “Plasma Structure of Miniature Ring-Cusp Ion Thruster Discharges”, J.Prop. & Power, Vol.30, No. 2, pp 1-9, (2014), doi: 10.2514/1.B34959
  50. T.S. Matlock, D.M. Goebel, R. Conversano and R.E. Wirz, “High flux plasma source for plasma-materials interactions experiments”, Plasma Sources Sci. Technol. 23 (2014) 025014.

 

Conference Papers

Over 150 published conference papers for AIAA, APS and IEEE meetings over the past 35 years.

Dan M. Goebel
Address: 
4800 Oak Grove Dr.
Pasadena, CA 91109
Phone: 818.354.8284
Fax Number: 818.393.6682