Neville C.Luhmann, Jr.

UC Davis Distinguished Professor

  • Fellow of the American Physical Society
  • Winner of 2012 John R. Pierce Award for Excellence in Vacuum Electronics for Outstanding contributions and leadership in the field of vacuum electronics as a scientist, engineer and educator
  • Fellow of the Institute of Electrical and Electronics Engineers
  • Winner of 2007 Outstanding Mentor Award from the Consortium for Woman and Research, UC Davis
  • Awarded UC Davis College of Engineering Dean's Outstanding Senior Research Faculty Award 2005-2006
  • Awarded the Kenneth J. Button Award for "Recognition of Outstanding Contributions to the Science of the Electromangetic Spectrum" 2005: Administred by The Institute of Physics (London)
  • Awarded the IEEE Nuclear and Plasma Sciences Society, Plasma Science and Applications Committee (PSAC) Award for "Outstanding Contributions to the Field of Plasma Science" 2005
  • Recipient of the Robert L. Woods Award, Award for 'Excellence in Vacuum Electronics' 1994; Given by the Office of the Secretary of Defense
Ph.D--Physics, 1972
University of Maryland, College Park 
Research Related Links:

Plasma Diagnostics

Microwave and Millimeter Wave Solid State Technology

Multidisciplinary University Research Initiative (MURI '04) Program 

Microwave Plasma Interaction

Microwave / Millimeter Vacuum Electronics

Medical Technologies and Applications

Advanced Accelerators and Light Sources 

Multidisciplinary University Research Initiative (MURI '95) Program (Reference Only)

Multidisciplinary University Research Initiative (MURI '99) Program (Reference Only)

Phone: (530) 752-5414
Fax: (530) 754-9070
email: ncluhmann@ucdavis.edu
Research Interests
Millimeter wave solid state devices and systems, ultra short pulse electronics, phased antenna arrays, gyrotrons, free electron lasers, plasma physics, advanced accelerators, Compton X-Ray light sources for cancer diagnostics and treatment, millimeter wave imaging, tokamak diagnostics, far-infrared lasers, MEMS, microwave/plasma interactions, vacuum microelectronics. 
Recent Publications

BOOK CHAPTERS

N.C. Luhmann, Jr., G.S. Nusinovich, D. Goebel, "Historical Highlights" a chapter in Modern Microwave and Millimeter-Wave Power Electronics, (Edited by Robert J. Barker, John H. Booske, Neville C. Luhmann, Jr., and Gregory S. Nusinovich), pg. 35, IEEE Press, ISBN-0-471-68372-8, 2005.

Neville Luhmann, Jr., George Caryotakis, Gun-Sik Park, Robert M. Phillips, Glenn P. Scheitrum, "Affordable Manufacturing , a chapter inModern Microwave and Millimeter-Wave Power Electronics,(Edited by Robert J. Barker, John H. Booske, Neville C. Luhmann, Jr., and Gregory S. Nusinovich), pg 731, IEEE Press ISBN-0-471-68372-8, 2005.

B.G. Danly, G.S. Nusinovich, J.C. Rodgers, N.C. Luhmann, Jr., D.B. McDermott, V.L. Granatstein, A.T. Lin, "Gyro-Amplifiers," a chapter in Modern Microwave and Millimeter-Wave Power Electronics,(Edited by Robert J. Barker, John H. Booske, Neville C. Luhmann, Jr., and Gregory S. Nusinovich), pg 247, IEEE Press ISBN-0-471-68372-8, 2005.

Modern Microwave and Millimeter-Wave Power Electronics, (Edited by Robert J. Barker, John H. Booske, Neville C. Luhmann, Jr. and Gregory S. Nusinovich), IEEE Press, ISBN-0-471-68372-8 2005.

C.C. Chang, C. Liang, and N.C. Luhmann, Jr., “Phase Antenna Array Based on Nonlinear Delay Line Technology”, Chapter in Novel Technologies for Microwave and Millimeter Wave Applications, (Edited by: Jean-Fu Kiang: Published by the Kluwer Academic Publishers), September 2003.

D. Johnson, P. Efthimion, J. Foley, B. Jones, E. Mazzucato, H. Park, G. Taylor, F. Levinton, and N.C. Luhmann, Jr., “Diagnosis of St Plasmas in NSTX Challenges and Opportunities,” Chapter in Advanced Diagnostics for Magnetic and Inertial Fusion, edited by Peter E. Stott, Alan Wootton, Giuseppe Gorini, Elio Sindoni and Dimitri Batani, Kluwer Academic/Plenum Publishers, ISBN 0-306-47297, pg. 375-378, 2002.

N.C. Luhmann, Jr., C.C. Chang, B.H. Deng, C.W. Domier, C. Liang, X.P. Liang, H.J. Lu, J. Wang, Z.G. Xia, E. Mazzucato, T. Munsat, H. Park, A.J.H. Donné, M.J. van de Pol, A. Mase, K. Kawahata, Y. Nagayama, K. Mizuno, H. Matsuura, and A. Miura, “Recent Progress in Microwave Imaging Diagnostics,” Chapter in Advanced Diagnostics for Magnetic and Inertial Fusion, edited by Peter E. Stott, Alan Wootton, Giuseppe Gorini, Elio Sindoni and Dimitri Batani, Kluwer Academic/Plenum Publishers, ISBN 0-306-47297, pg. 339-346, 2002.

V.L. Granatstein, G.S. Nusinovich, M. Blank, K.L. Felch, R. Gilgenbach, H. Guo, H. Jory, N.C. Luhmann, Jr., D.B. McDermott, J.M. Rodgers, T.A. Spencer, “Gyrotron Oscillators and Amplifiers,” a chapter in High-Power Microwave Sources and Technologies, edited by Robert J. Barker, Edl Schamiloglu, IEEE Press, ISBN 0-7803-6006-0, 2001.


JOURNALS

I.G.J. Classen, E. Westerhof, C.W. Domier, A.J.H. Donnè, R.J.E. Jaspers, N.C. Luhmann, Jr., H.K. Park, M.J. van de Pol, G.W. Spakman and TEXTOR Team, "Effect of Heating in the Suppression of Tearing Modes in Tokamaks", Physical Review Letters, 98, 2007.

Zuowei Shen, Lu Yang, N. C. Luhmann, Jr., etc., "Advanced Microwave/ Millimeter-Wave Imaging Technology," Journal of Plasma and Fusion Research (Invited Paper), to be published 2007.

Z. Shen, N. Ito, Y. Liang, L. Lin, C.W. Domier, N.C. Luhmann, Jr., A. Mase, E. Sakata, "Protection Filters in ECEI Systems for Plasma Diagnosticss," 2, Journal of Plasma and Fusion Research, Japan, 2007.

Lu Yang, C.W. Domier, N.C. Luhmann, Jr., “Q-Band to V-Band 1-D and 2-D Elliptical Lens Antenna Arrays,” Microwave and Technology Letters, 49, No. 8, 2007.

Lu Yang, C.W. Domier, N.C. Luhmann, Jr., “Ka-band E-plane Beam Steering/Shaping Phased Array System Using Antipodal Elliptically-Tapered Slot Antenna,” Int. Journal of Millimeter Waves, 28, No. 4, Pg. 283-289, 2007.

H.K. Park, A.J.H. Donnè, N.C. Luhmann, Jr., I.G.J. Classen, C.W. Domier, E. Mazzucato, T. Munsat, M.J. van de Pol, Z. Xia, and TEXTOR Team, “Comparison Study of 2D Images of Temperature Fluctuations during Sawtooth Oscillation with Theoretical Models, Physical Review Letters, 96, (19), 2006.

H.K. Park, N.C. Luhmann, Jr., A.J.H. Donnè, I.G.J. Classen, C.W. Domier, E. Mazzucato, T. Munsat, M.J. van de Pol, Z. Xia, and TEXTOR Team, "Observation of High-Field-Side Crash and Heat Transfer During Sawtooth Oscillation in Magnetically Confined Plasmas," Physical Review Letters, 96, (19), 2006.

H.K. Park, E. Mazzucato, N.C. Luhmann, Jr., C.W. Domier, Z Xia, T. Munsat, A.J.H. Donnè, I.G.J. Classen, M.J. van de Pol and TEXTOR Team, "Self-Organized T e Redistribution during Driven Reconnection Processes in High Temperature Plasmas," Physics of Plasma, 13, 055907/1-12 2006.

C.W. Domier, Z.G. Xia, P. Zhang, N.C. Luhmann, Jr., H.K. Park, E. Mazzucato, M.J. van de Pol, I.G.J Classen, A.J.H. Donné, R. Jaspers, "Upgrades to the TEXTOR Electron Cyclotron Emission Imaging (ECEI) Diagnostics," Review of Scientific Instruments, 77, pp. 10E924 (2006).

K.C. Lee, C.W. Domier, N. Johnson, N.C. Luhmann, Jr., H. Park, V.A. Soukhanovskii, “Survey of Diagnostic Systems for the Study of Gyro-Center Shifts on NSTX,” Review of Scientific Instruments, 77, 2006.

A.J.H. Donnè, M.F.M. De Bock, I.G.J. Classen, M.G. Von Hellermann, K. Jakubowska, R. Jaspers, C.J. Barth, H.J. Van Der Meiden, T. Oyevaar, M.J. Van Del Pol, S.K. Varshney, G. Bertschinger, W. Biel, C. Busch, K.H. Finken, H.R. Koslowski, A. Kramer-Flecken, A. Kreter, Y. Liang, H. Oosterbeek, and O. Zimmermann, G. Gelesca, G. Verdoolaege, C.W. Domier, N.C. Luhmann, Jr., E. Mazzucato, T. Munsat, H. Park, M. Kantor, D. Kouprienko, A. Alexeev, S. Ohdachi, S. Korsholm, P. Woskov, H. Bindslev, F. Meo, P.K. Michelsen, S. Michelsen, S.K. Nielsen, E. Tsakadze, L. Shmaenok, “Overview of Core Diagnostics for TEXTOR,” Fusion Science and Technology, 47, Pg. 220-245, February 2005.

A.J.H. Donnè, J.C. van Gorkom, V.S. Udintsev, C.W. Domier, A. Kramer-Flecken, N.C. Luhmann, Jr., F.C. Schuller, and TEXTOR team, “Evidence for High-m Secondary Islands Induced by Large Low-m Islands in a Tokamak Plasma,” Physical Review Letters, 94, March 2005.

V.S.Udintsev, M. Ottaviani, P. Maget, G. Giruzzi, J-L. Segui, T. Aniel, J.F. Artaud, F. Clairet, M. Goniche, G.T. Hoang, G.T.A. Huysmans, F. Imbeaux, E. Joffrin, D. Mazon, A.L. Pecquet, R. Sabor, A. Sirinelli, L. Vermare, Tore Supra Team, A. Kramer-Flecken, H.R.Koslowski, TEXTOR Team, A.J.H. Donnè, F.C. Schuller, C.W. Domier, N.C. Luhmann, Jr., S.V.Mirnov, “Experimental Observation of m/n = 1 / 1 Mode Behaviour During Sawtooth Activity and its Manifestations in Tokamak Plasmas,” Plasma Physics and Control Fusion, 47, 1111-1136, 2005.

T. Munsat, E. Mazzucato, H. Park, C.W. Domier, M. Johnson, N.C. Luhmann, Jr., J. Wang, Z. Xia, I.G.J. Classen, A.J.H. Donnè, M.J. van de Pol, “2-D Imaging of Electron Temperature in Tokamak Plasmas,” IEEE Transactions on Plasma Science, 33, pp. 466-467 (2005).

G. S. Nusinovich, O. V. Sinitsyn, J. Rodgers, T. M. Antonsen, Jr., V. L. Granatstein, and N. C. Luhmann, Jr., “Comparison of Multistage Gyroamplifiers Operating in the Frequency-Multiplication Regime with Gyroamplifiers Operating at a given Cyclotron Harmonic”, IEEE Trans. Plasma Sci., Special Issue on High-Power Microwave Generation, 32, pp. 957-969, June 2004.

J.Wang, C.W. Domier, Z.G. Xia, Y. Liang, N.C. Luhmann, Jr., H. Park, T. Munsat, E. Mazzucato, M.J. van de Pol, I.G.J. Classen, A.J.H. Donnè, “Two-Dimensional Electron Cyclotron Emission Imaging Diagnostic for TEXTOR,” Review of Scientific Instruments, 75, No. 10, p. 3875-3877, October 2004.

Y. Roh, C.W. Domier, N.C. Luhmann, Jr. “Design of an X-Mode Swept Frequency Modulation Reflectometer for the Measurement of KSTAR Plasma Density Profiles,” (Invited), Review of Scientific Instruments, 75, No. 10, p. 3871-3874, October 2004.

C.W. Domier, N.C. Luhmann, Jr., Y. Roh, H.S. McLean, E.B. Hooper, D.N. Hill, “Ultrashort-Pulse Reflectometer Performance on Sustained Spheromak Physics Experiment,” Review of Scientific Instruments, 75, No. 10, p. 3868-3870, October 2004.

D.R.Smith, E. Mazzucato, T. Munsat, H. Park, D. Johnson, L.Lin, C.W. Domier, M. Johnson, N.C. Luhmann, Jr., “Microwave Scattering System design for &rhoe scale Turbulence Measurements on NSTX,” Review of Scientific Instruments, 75, No. 10, p. 3840-3842, October 2004.

H. Park, E. Mazzucato, T. Munsat, C.W. Domier, M. Johnson, N.C. Luhmann, Jr., J. Wang, Z. Xia, I.G.J. Classen, A.J.H. Donnè, M.J. van de Pol, “Simultaneous Microwave Imaging system for Density and Temperature Fluctuation Measurements on TEXTOR,” (Invited), Review of Scientific Instruments, 75, No. 10, p. 3787-3792, October 2004.

K.C. Lee, C.W. Domier, M. Johnson, N.C. Luhmann, Jr., H. Park, “Edge Density Fluctuation Characterization in H-Mode and Polarimetry Measurement via the FIReTIP System on NSTX,” Review of Scientific Instruments, 75, No. 10, p. 3433-3435, October 2004.

W.C. Tsai, T.H. Chang, N.C. Chen, K.R. Chu, H.H. Song, N.C. Luhmann, Jr., “Absolute Instabilities in a High-Order-Mode Gyrotron Traveling Mode Gyrotron Traveling-Wave,” Phys. Rev. E., 70, 056402 (2004).

H.H. Song, D.B. McDermott, Y. Hirata, L.R. Barnett, C.W. Domier, H.L. Hsu, T.H. Chang, W.C. Tsai, K.R. Chu, N.C. Luhmann, Jr., “Theory and Experiment of a 94 GHz Gyrotron Traveling-Wave Amplifier,” Physics of Plasmas, 11, pp. 2935-2941 (2004).

B.H. Deng, H.C. Chen, C.W. Domier, M. Johnson, K.C. Lee, N.C. Luhmann, Jr., “Development of a Multichannel Far-Infrared Tangential Interferometer/Polarimeter for the National Spherical Torus Experiment,” Review of Scientific Instruments, 74, No. 3, Pg. 1617-1624, March 2003.

Y. Roh, C.W. Domier, and N.C. Luhmann, Jr., “Ultrashort Pulse Reflectometry for Density Profile and Fluctuation Measurements on System on SSPX”, Review of Scientific Instruments, 74, No. 3, Pg. 1518-1521, March 2003.

T. Munsat, E. Mazzucato, H. Park, B.H. Deng, C.W. Domier, N.C. Luhmann, Jr., J. Wang, Z.G. Xia, Z.G., A.J.H. Donnè, M.J. van de Pol, “Microwave Imaging Reflectometer for TEXTOR,” (Invited) Review of Scientific Instruments, 74, No. 3, Pg. 1426-1432, March 2003.

K.C. Lee, B. Deng, C.W. Domier, M. Johnson, B. Nathan, N.C. Luhmann, Jr., “A Stark-Tuned Laser Application for Interferometry and Polarimetry on the National Spherical Torus Experiment”, Review of Scientific Instruments, 74, No. 3, Pg. 1621-1624, March 2003.

H. Park, C.C. Chang, B.H. Deng, C.W. Domier, A.J.H. Donnè, K. Kawahata, C. Liang, P. Liang, H.J. Lu, N.C. Luhmann, Jr., A. Mase, Ha. Matsuura, E. Mazzucato, A. Miura, K. Mizuno, T. Munsat, Y. Nagayama, M.J. van de Pol, J. Wang, Z.G. Xia, W-K. Zhang, “Recent Advancements in Microwave Imaging Plasma Diagnostics,” Review of Scientific Instruments, 74, No. 10, Pg. 4239-4262, October 2003.

B.H. Deng, D.L. Brower, G. Cima, C.W. Domier, A.J.H. Donnè, N.C. Luhmann, Jr., Th. Oyevaar, A. Wootton, “Imaging ] of core electron temperature fluctuations of Tokamak plasmas” IEEE Transactions on Plasma Science, 30, Issue 1, Part 1, Pg 72-73, February 2002.

E. Mazzucato, T. Munsat, H. Park, B.H. Deng, C.W. Domier, N.C. Luhmann, Jr., A.J.H. Donnè, and M.J. van de Pol, “Fluctuation measurements in tokamaks with microwave imaging reflectometry,” Physics of Plasmas, 9, No. 5, pp. 1955-1961 May 2002.

D.B., H.H. Song, Y. Hirata, A.T. Lin, T.H. Chang, H.L. Hsu, K.R. Chu, and N.C. Luhmann, Jr., “Design of a W-Band TE01 Mode Gyrotron Traveling-Wave Amplifier with High Power and Broad-Band Capabilities,’’ IEEE Transaction on Plasma Science, Special issue on High Power Microwave Generation, 30, No. 3, Pg. 894-902, June 2002.

S.B., D.B. McDermott, D.A. Gallagher, N.C. Luhmann, Jr., “Cusp Gun TE21 Second-Harmonic Gyro-TWT Amplifier,” IEEE Transaction on Plasma Science, Special issue on High Power Microwave Generation, 30, No. 3, Pg. 909-914, June 2002.

Updated 9/2007


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