Davis Millimeter-Wave Research Center

Microwave/Millimeter Wave Technology

Plasma Diagnostics

 

 

RESEARCH  ACTIVITIES

Plasma diagnostics

 

µ-wave vacuum electronics

 

µ-wave solid state technology

 

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CONFERENCES
PUBLICATIONS
EDUCATION
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IMPORTANT  LINKS
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CONTACT  US

 

Director:
Prof. N.C. Luhmann, Jr.

 

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VACUUM  ELECTRONICS  PUBLICATIONS

 

 

·        Jinfeng Zhao, Na Li, Ji Li, Larry R. Barnett, Mike Banducci, Diana Gamzina, Zuhair A. Munir, and Neville C. Luhmann, Jr., “High Current Density and Long-Life Nanocomposite Scandate Dispenser Cathode Fabrication”, IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 58, NO. 4, APRIL 2011 1221.

 

·        Jinfeng Zhao, Na Li, Ji Li, Diana Gamzina, Anisullah Baig, Robert Barchfeld, Larry Barnett, Subhash Risbud, and Neville C. Luhmann Jr., “Scandia-added Tungsten Dispenser Cathode Fabrication for THz Vacuum Integrated Power Amplifiers”, Invited Paper, Terahertz Science and Technology, ISSN 1941-7411 Vol.4, No.4, December 21.

 

·        Young-Min Shin, Larry R. Barnett, N.C. Luhmann, Jr., “Particle-In-Cell (PIC) Simulation Analysis of a Quasi-Optical W-Band Sheet Beam Klystron,”  IEEE Trans  Elec. Dev., 58, No 1, 2011

 

·        Anisullah Baig, Young-Min Shin, Larry R. Barnett, Diana Gamzina, Robert Barchfeld, Calvin W. Domier, Jianxun Wang, Neville C. Luhmann, Jr., “Design, Fabrication and RF Testing of Near-THz Sheet Beam TWTA,” Invited Paper,  Terahertz Science and Technology, ISSN 1941-7411, 4, No. 4, December 2011.

 

·        Jian-Xun Wang, Larry Barnett, N.C. Luhmann, Jr., Stanley Humphries, Young-Min Shin, “Electron Beam Transport Analysis of W-Band Sheet Beam Klystron (WSBK),” 17 No. 1, Physics of Plasmas, 2010.

 

·        Young-Min Shin, Diana Gamzina, Larry Barnett, Frank Yaghmaie, Anisullah Baig, N.C. Luhmann, Jr., “UV Lithography and Molding Fabrication of Ultra-Thick Micrometallic Structures Using a KMPR Photoresist,” Journal of Microelectromechanical Systems, 19, No. 3, June 2010.

 

·        Chen Chi Chiu, C. Y. Tasi, S. H. Kao, Kwo Chu, Larry Barnett, and Neville Luhmann, Jr., "Study of a High-Order-Mode Gyrotron Traveling-Wave Amplifier" Physics  of Plasmas, 17, 2010.

 

·        Young-Min Shin, Jinfeng Zhao, Larry R. Barnett, Neville C. Luhmann, Jr.,  “Investigation of Terahertz Sheet Beam Traveling Wave Tube Amplifier with Nano- Composite Cathode,” Physics of Plasmas, 17, 123105, 2010.

 

·        Larry Barnett, N.C. Luhmann, Jr., Chen Chi Chiu, K.R. Chu, “Relativistic Performance Analysis of a High Current Density Magnetron Injection Gun”, Physics of Plasmas, 16, 1 2009.

 

·        Young-Min Shin, Larry R. Barnett, N.C. Luhmann, Jr. “Phase-Shifted Traveling-Wave-Tube Circuit for Ultrawideband High-Power Submillimeter-Wave Generation,” IEEE Transactions on Electron Devices, 56, No. 5, pg. 706-712, May 2009.

 

·        Young-Min Shin, Larry R. Barnett, Diana Gamzina, N.C. Luhmann, Jr., Mark Field, and Robert Borwick, “Terahertz Vacuum Electronics Circuits Microfabricated by UV Lithography Molding and Deep Reactive Ion Etching,” Appl. Physics Letters, 95, 181505, 2009.

 

·        Young-Min Shin, Larry R. Barnett, N.C. Luhmann, Jr., “Quasi-Optical Output Cavity Design for a 50kW Multi-Cavity W-Band Sheet Beam Klystron,” IEEE Transactions on Electron Devices, 56, No. 12, Pgs. 3196-3202, December 2009.

 

·        Young-Min Shin, Larry R. Barnett, Neville C. Luhmann, Jr., “Strongly Confined Plasmonic Wave Propagation through an Ultra-Wideband Staggered Double Grating Waveguide,” Applied Physics Letters, 93, 221504, 2008.

 

·        C.C. Chiu, K.F. Pao, Y.C. Yan, K.R. Chu, L.R. Barnett, N.C. Luhmann, Jr., “Nonlinearly Driven Oscillations in the Gyrotron Traveling-Wave Amplifier,” Physics of Plasmas, 15, 123109, 2008.

 

 

 

VACUUM  ELECTRONICS  PROCEEDINGS

 

 

·        Robert Barchfeld, Diana Gamzina, Anisullah Baig, Larry R. Barnett, Neville C. Luhmann  Jr., Nano CNC Milling of Two Different Designs of 0.22 THz TWT Circuits, 13th   IEEE International Vacuum Electronics Conference (IVEC) and Ninth International Vacuum Electron Sources Conference (IVESC), Monterey, CA, April 24-26, 2012.

 

·        Jinfeng Zhao, Diana Gamzina, Anisullah Baig, Larry Barnett, N.C. Luhmann, Jr., Na Li, Ji Li, “Scandate-added Tungsten Dispenser Cathode Fabrication for 220 GHz Sheet Beam Traveling  Wave Tube Amplifier, 13th International Vacuum Electronics  and Vacuum Electron Sources Conference, Monterey, CA, April 24-26, 2012.

 

·        Anisullah Baig, Diana Gamzina, Larry R. Barnett, N.C. Luhmann, Jr., “Simulation Analysis of Nano-CNC Fabricated 220 GHz Ultra Wide Band TWTA,” 13th International Vacuum Electronics and Vacuum Electron Sources Conference, Monterey, CA, April 24-26, 2012.

 

·        Mark, Field, Robert Borwick, Jinfeng Zhao, Young-Min Shin, Diana Gamzina, Larry Barnett, Neville Luhmann, Jr., Takui Kimura, John Atkinson, Yehuda Goren, “220 GHz 50 W Sheet Beam Traveling Wave Tube Amplifier,” GOMACH Tech 2011 Conference.

 

·        Diana Gazina, Robert Barchfeld, Larry R. Barnett, Neville C. Luhmann, Jr., Young-Min, “Nano CNC Milling Technology for Terahertz Vacuum Electronic Devices,”  XII IEEE  International Vacuum Electronics Conference, Bangalore, India, February 21-24, 2011.

 

·        Neville C. Luhmann Jr., Anisullah Baig, Robert Barchfeld, Larry R. Barnett, Diana Gamzina, and Youngmin Shin, “Vacuum Devices for THz Applications”, Plenary Address, Shenzhen International Conferences on Advanced Science and Technology – SICAST, 2011.

 

·        Anisullah Baig, Youngmin Shin, Larry R. Barnett, Diana Gamzina and Neville C. Luhmann Jr., Sever Design and Full Model Particle-In-Cell Simulation Analysis for a 220 GHz Ultra Wideband TWTA IRMMW-THz, 36th International Conference on Infrared, Millimeter, and Terahertz Waves 2011, October 2-7, 2011, Houston, Texas.

 

·        Jinfeng Zhao, Larry Barnett, and Neville C. Luhmann Jr., Nuo Li, and Ji Li, High Current Density and Long Life Nanocomposite Scandate Dispenser Cathode Fabrication, 10th International Vacuum Electronics Conference (IVEC2009), April 28 - 30th 2009.

 

·        Young-Min Shin, Larry R. Barnett, Jinfeng Zhao, and Neville C. Luhmann Jr., Experimental, Numerical and Analytical Studies of Staggered Double Vane Structure for THz Application,10th International Vacuum Electronics Conference (IVEC2009), April 28 - 30th, 2009.

 

·        S.B. Harriett, D.B. McDermott, and N.C. Luhmann, Jr. “An Experimental Second-Harmonic Axis-Encircling Beam Gyro-TWT,” The Eighth IEEE International Vacuum Electronics Conference, IVEC 2007, Kitakyushu, Japan, May 15-17, 2007.

 

·        Lawrence J. Dressman, D.B. McDermott, N.C. Luhmann, Jr., and D.A. Gallagher, “UCD 34 GHz Harmonic Peniotron,” The Eighth IEEE International Vacuum Electronics Conference, IVEC 2007, Kitakyushu, Japan, May 15-17, 2007.

 

·        L.R. Barnett, N.C. Luhmann, Jr., C.C. Chiu, K.R. Chu, Ying Chu Yan, “Advances in W-Band TE01 Gyro-TWT Amplifier Design, The Eighth IEEE International Vacuum Electronics Conference, IVEC 2007, Kitakyushu, Japan, May 15-17, 2007.

 

·        S.B. Harriet, D.B. McDermott and N.C. Luhmann, Jr., “Experimental Second-Harmonic Axis-Encircling Beam Gyro-TWT Amplifier,” Proceedings of the Joint  32nd International Conference on Far Infrared and Millimeter Waves and 15th International Conference on Terahertz Electronics, IRMMW-THz, Cardiff, UK, pg. 373-374, Sept. 2-7, 2007.

 

·        L.R. Barnett, N.C. Luhmann, Jr. C.C. Chiu, Y.C. Yan, K.R. Chu, “An Improved magnetron injection gun using advanced high current density cathodes for a W-band TE01 Gyro-TWT,” Proceedings of the 9th IEEE International Vacuum Electronics Conference, Monterey CA,  Page(s): 400-401, April 22-24, 2008.

 

·        Young-Min Shin, Larry R. Barnett, and Neville C. Luhmann Jr., “MEMS-Fabricated Micro Vacuum Electron Devices for (µVEDs) Terahertz (THz) Applications (Invited Keynote)”, 33rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sept. 15 – 19, 2008, Pasadena, CA, USA

 

·        Chen C. Chiu, Kuo F. Pao, Yin C. Yan, Kwo R. Chu, Larry R. Barnett, N.C. Luhmann, Jr., “Nonlinearly Driven Oscillations in the Gyrotron Traveling-Wave Amplifier,” Proceedings of the 33rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sept. 15 – 19, 2008, Pasadena, CA, USA

 

·        Young-Min Shin, Larry R. Barnett, N.C. Luhmann, Jr., “Numerical and Experimental Design Study of Quasi-Optical Multi-Gap Output Cavity for W-Band Sheet Beam Klystron (WSBK),” Proc. of the Tenth International Vacuum Electronics Conference – IVEC 2009, Rome, Italy,  2009.

 

·        Young-Min Shin, Larry R. Barnett, Jinfeng Zhao, Diana Gamzina, N.C. Luhmann, Jr., “MEMS-Integrated 0.22 THz TWT Amplifier using an Ultra-Wide Plasmonic Band Structure,” Proc. of the 34th International Conference on Infrared, Millimeter, and Terahertz Waves and 17th THz Electronics Conference, Busan, S. Korea, 2009.

 

·        Young-Min Shin, Jinfeng Zhao, Larry R. Barnett, N.C. Luhmann, Jr., “MEMS-Integrated Ultra-Wideband Terahertz Traveling Wave Tube Amplifier,” Proc. of the Asia-Pacific Microwave Conference 2009, Singapore, 2009.

 

·        Young-Min Shin, Anisullah Baig, Diana Gamzina, N.C. Luhmann, Jr., “MEMS Fabrication of 0.22 THz Sheet Beam TWT Circuit,” Proc. of the 11th IEEE International Vacuum Electronics Conference, pgs. 185-186, Monterey, California, 2010.

 

·        Mark Field, Robert Borwick, Vivek Mehrotra, Berinder Brar, Jinfeng Zhao, Young-Min Shin, Diana Gamzina, Alexander Spear, Anisullah Baig, Larry Barnett, N.C. Luhmann, Jr., Takuji Kimura, John Atkinson, Thomas Grant, Yehuda Goren, Dean E. Pershing, “220 GHz 50 W Sheet Beam Traveling Wave Tube Amplifier,” Proc. of the 11th IEEE International Vacuum Electronics Conference, pgs. 21-22, Monterey, California, 2010.

 

·        Larry R. Barnett, Neville C. Luhmann, Jr., Chen-Chi Chiu, Kwo Ray Chu, “Performance Analysis of a High Current Density Magnetron Injection Gun,” Proc. of the 11th IEEE International Vacuum Electronics Conference, pgs. 311-312,, Monterey, California, 2010.

 

·        Jinfeng Zhao, Na Li, Ji Li, Larry Barnett, Mike Banducci, Diana Gamzina, N.C. Luhmann, Jr., “High Current Density and Long Life Nanocomposite Scandate Dispenser Cathode Fabrication,” Proc. of the 11th IEEE International Vacuum Electronics Conference, pgs, 425-426, Monterey, California, 2010.

 

·        Diana Gamzina, Alexandar G. Spear, Larry R. Barnett, N.C. Luhmann, Jr., “Terahertz Sheet Beam Gun  Analyzer,” Proc. of the 11th IEEE International Vacuum Electronics Conference, pgs 99-100, Monterey, California, 2010.

 

·        Young-Min Shin, Jinfeng Zhao, Anisullah Baig, Diana Gamzina, Larry R. Barnett, N.C. Luhmann, Jr., “Micro-Fabricable Terahertz  Sheet Beam Amplifier Integrated with Broadband Metamaterial Circuit,” Proc. of the 3rd  International Conference on Communications and Electronics (ICCE 2010), Nha Trang, Vietnam, 2010.

 

·        Young-Min Shin, Anisullah Baig, Alexander Spear, Jinfeng Zhao, Diana Gamzina, Calvin W. Domier, N.C. Luhmann, Jr., “MEMS Fabrications of Broadband Epsilon Negative (ENG) Metamaterial  Electronic Circuit for 0.22 THz Sheet Beam TWT Applications,”  Proc. of the 35th Int. Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, Rome, Italy,  2010.

 

·        L.J. Dressman, N.C. Luhmann, Jr., “Mode Control for Improved Slotted Peniotron Performance,” ,”  Proc. of the 35th Int. Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, Rome, Italy,  2010.

 

 

 

 

 

 

 

 
 
 
 
 
 
              
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