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Waves & Beams

Journal Articles

2013

  1. “Continuously Tunable 250 GHz Gyrotron with a Double Disk Window for DNP-NMR Spectroscopy,” Sudheer K Jawla, Qing Zhe Ni, Alexander B Barnes, William Guss, Eugenio Daviso, Judith Herzfeld, Robert G Griffin, Richard J Temkin, J. Infrared, Millimeter and Terahertz Waves Vol. 34, pp. 42-52 (2013)

2012

  1. “Low-Loss Transmission Lines for High-Power Terahertz Radiation,” E. A. Nanni, S. K. Jawla, M. A. Shapiro, P. P. Woskov and R. J. Temkin, J. Infrared Millimeter and Terahertz Waves, Vo. 33, No. 7, pp. 695-714 (2012
  2. “Mode Content Determination of Terahertz Corrugated Waveguides using Experimentally Measured Radiated Field Patterns,” S. K. Jawla, E. A. Nanni,  M. A. Shapiro, P. P. Woskov, R. J. Temkin, IEEE Trans. Plasma Science Vol. 40, No. 6, Part 1; pp. 1530 – 1537 (2012).
  3. “A 250 GHz Gyrotron with a 3 GHz Tuning Bandwidth for Dynamic Nuclear Polarization,” A. B. Barnes, E. A. Nanni, J. Herzfeld, R. G. Griffin, R. J. Temkin, Journal Magnetic Resonance 221, pp. 47-53 (2012).
  4. “Real-time, T-Ray Imaging Using a Sub-Terahertz Gyrotron,” S-T Han, A. C. Torrezan, J. R. Sirigiri, M. A. Shapiro and R. J. Temkin, Journal of the Korean Physical Society, Vol. 60, No. 11, pp. 1857-1861 (2012).
  5. “A 140 GHz Pulsed EPR/212 MHz NMR Spectrometer for DNP Studies,” A. A Smith; B. Corzilius, J. A Bryant; R. DeRocher; P. P Woskov; R. J Temkin, Journal of Magnetic Resonance, Vol. 223C, pp.170-179 (July, 2012).
  6. Active negative-index metamaterial powered by an electron beam,” M. A. Shapiro, S. Trendafilov, Y. Urzhumov, A. Alu, R. J. Temkin, and G. Shvets, Phys. Rev. B Vol. 86, 085132 (2012).
  7. “Spectroscopic Temperature Measurements of Air Breakdown Plasma Using a 110 GHz Megawatt Gyrotron Beam,” J. S. Hummelt, M. A. Shapiro, and R. J. Temkin, Phys. Plasmas, Vol. 19, paper 123509, Dec., 2012 (2012).
  8. "Dynamic nuclear polarization at 700MHz/460GHz,” Barnes AB, Markhasin E, Daviso E, Michaelis VK, Nanni EA, Jawla SK, Mena EL, Derocher R, Thakkar A, Woskov PP, Herzfeld J, Temkin RJ, Griffin RG, J Magn Reson., Vol. 224, pp. 1-7,  PMID: 23000974 (Nov., 2012

2011

  1. "Experimental Results on a 1.5 MW, 110 GHz Gyrotron with a Smooth Mirror Mode Converter," D. S. Tax, E. M. Choi, I. Mastovsky, J. M. Neilson, M. A. Shapiro, J. R. Sirigiri, R. J. Temkin, and A. C. Torrezan, J. Infrared, Millimeter and THz Waves, Vol. 32, pp. 358-370 (2011).
  2. "The EC H&CD Transmission Line for ITER," F. Gandini, T. S. Bigelow, B. Becket, J. B. Caughman, D. Cox, C. Darbos, T. Gassmann, M. A. Henderson, O. Jean, K. Kajiwara, N. Kobayashi, C. Nazare, Y. Oda, T. Omori, D. Purohit, D. A. Rasmussen, D. M. S. Ronden, G. Saibene, K. Sakamoto, M. A. Shapiro, K. Takahashi and R. J. Temkin, Fusion Science and Tech. Vol. 59, No. 4 pp. 709- 717 (May, 2011).

  3. "Calculation of a Hyperbolic Corrugated Horn Converting the TEM00 Mode to the HE11 Mode," M. A. Shapiro and R. J. Temkin, J. Infrared, Millimeter and THz Waves, Vol. 34, No. 3, pp. 283-294 (2011).
  4. "Microwave Field Distribution in a Magic Angle Spinning Dynamic Nuclear Polarization NMR Probe," Emilio A. Nanni, Alexander B. Barnes, Yoh Matsuki, Paul P. Woskov, Björn Corzilius, Judith Herzfeld, Robert G. Griffin, Richard J. Temkin, Journal of Magnetic Resonance 210 16-23 (2011)
  5. "X-Band Photonic Bandgap (PBG) Accelerator Structure Breakdown Experiment," R. A. Marsh, M. A. Shapiro, R. J. Temkin, V. A. Dolgashev, L. L. Laurent, J. R. Lewandowski, A. D. Yeremian, S. G. Tantawi, Phys. Rev. - Special Topics Accel. and Beams Vol.14, Issue: 2, Article Number: 021301 (2011).
  6. "Overview of the ITER ECH&CD system and its capabilities," T. Omori, M. A. Henderson, F. Albajar, et al., Fusion Engineering and Design, (in press, 2011).
  7. Measurements of Electron Avalanche Formation Time in W-Band Microwave Air Breakdown,” Alan M. Cook, Jason S. Hummelt, Michael A. Shapiro, and Richard J. Temkin, Phys. of Plasmas, Vol. 18, 080707 (2011).
  8. Vacuum Electronic High Power Terahertz Sources,” J. H. Booske, R. J. Dobbs, C. D. Joye, C. L. Kory, G. R. Neil, G. S. Park, J. Park, and R. J. Temkin, (invited Paper) IEEE Trans. THz Sci. and Tech., Vol. 1, No. 1, pp. 54-75 (Sept., 2011)
  9. “THz Dynamic Nuclear Polarization NMR,” E. A. Nanni,  A. B. Barnes, R. G. Griffin, and R. J. Temkin, (Invited Paper) IEEE Trans. THz Sci. and Tech., Vol. 1, No. 1, pp. 145-163 (Sept., 2011)
  10. Operation of a Continuously Frequency-Tunable Second-Harmonic CW 330-GHz Gyrotron for Dynamic Nuclear Polarization,” A. C. Torrezan, M. A. Shapiro, J. R. Sirigiri, R. J. Temkin, and R. G. Griffin, IEEE Trans. Electron Devices, Vol. 58, No.8, pp. 2777-2783 (Aug., 2011)
  11. “Observation of plasma array dynamics in 110 GHz millimeter-wave air breakdown,” A. M. Cook, J. S. Hummelt, M. A. Shapiro, and R. J. Temkin, Physics of Plasmas, Vol. 18,  Issue 10, Article Number: 100704 (October, 2011).
  12. An overview of control system for the ITER electron cyclotron system,” D. Purohit, T. Bigelow, D. Billava, T. Bonicelli, J. Caughman, C. Darbos, G. Denisov, F. Gandini, T. Gassmann, M. Henderson, J.Y. Journeux, K. Kajiwara, N. Kobayashi, C. Nazare, Y. Oda, T. Omori, S.L. Rao, D. Rasmussen, D. Ronden, G. Saibene, K. Sakamoto, F. Sartori, K. Takahashi, R. Temkin, Fusion Engineering and Design 86 (6-8) , pp. 959-962 (2011).

 

2010

  1. “Measurement of RF Transmission Mode in ITER Relevant EC H&CD Transmission Line,” Y. Oda, K. Kajiwara, K. Takahashi, A. Kasugai, M. Shapiro, R. J. Temkin, K. Sakamoto, J. IR MM THz Waves Vol. 31, pp.949–957 (2010).
  2. “Loss estimate for ITER ECH Transmission Line Including Multimode Propagation,” M. A. Shapiro, E. J. Kowalski, J. R. Sirigiri, D. S. Tax, R. J. Temkin, T. S. Bigelow, J. B. Caughman, and D. A. Rasmussen, Fusion Science and Tech., Vol. 57, pp. 196-207 ( 2010).
  3. “Measurement of Wakefields in a 17 GHz Photonic Bandgap Accelerator Structure,” R. A. Marsh, M. A. Shapiro, R. J. Temkin, E. I. Smirnova, J. F. DeFord, Nucl. Instr. and Methods in Phys. Res. Vol. A618, pp. 16–21 (2010).
  4. Continuous-Wave Operation of a Frequency Tunable 460 GHz Second-Harmonic Gyrotron for Enhanced Nuclear Magnetic Resonance,” A. C. Torrezan, S.T. Han, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, R. J. Temkin, A. B. Barnes, and R. G. Griffin, IEEE Trans. Plasma Science Vol. 38, No. 6, pp. 1150-1159 (2010).
  5. "Pressure Dependence of Plasma Structure in Microwave Gas Breakdown at 110 GHz," Alan Cook, Michael Shapiro, and Richard Temkin, Appl. Phys. Lett., Vol. 97, Article No. 011504, (2010).
  6. "Linearly Polarized Modes in of a Corrugated Metallic Waveguide," E. J. Kowalski, D. S. Tax, M. A. Shapiro, J. R. Sirigiri, R. J. Temkin, T. S. Bigelow, D. A. Rasmussen, IEEE Trans. Microwave Theory and Techniques, Vol. 58, Issue 11, Part 1, pages 2772-2780 (Nov., 2010).
  7. "Amplification of Picosecond Pulses in a 140 GHz Gyro-TWT," H.J. Kim, E.A. Nanni, M.A. Shapiro, J.R. Sirigiri, P.P. Woskov, and R.J. Temkin (Physical Review Letters, Vol. 105, 135101 (Sept. 24, 2010).
  8. "Resolution and polarization distribution in cryogenic DNP/MAS experiments," Alexander B. Barnes, Bjorn Corzilius, Melody L. Mak-Jurkauskas, Loren B. Andreas, Vikram S. Bajaj, Yoh Matsuki, Marina L. Belenky, Johan Lugtenburg Jagadishwar R. Sirigiri, Richard J. Temkin, Judith Herzfeld and Robert G. Griffin, Physical Chemistry Chemical Physics, Volume: 12 Issue: 22, pages 5861-5867 (2010).

2009

  1. “Demonstration of a 140-GHz 1-kW confocal gyro-traveling-wave amplifier,” Joye, C.D.; Shapiro, M.A.; Sirigiri, J.R.; Temkin, R.J., IEEE Transactions on Electron Devices, v 56, n 5, p 818-27, May 2009 (2009).
  2. “Plasma structures observed in gas breakdown using a 1.5 MW, 110 GHz pulsed gyrotron,” Hidaka, Y.; Choi, E.M.; Mastovsky, I.; Shapiro, M.A.; Sirigiri, J.R.; Temkin, R.J.; Edmiston, G.F.; Neuber, A.A.; Oda, Y. Physics of Plasmas, v 16, n 5, p 055702 (7 pp.), May (2009).
  3. “Observation and Study of Low-Frequency Oscillations in a 1.5-MW 110-GHz Gyrotron,” A. J. Cerfon, E. Choi, C. D. Marchewka, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, IEEE Trans. Plasma Sci., Vol. 37, No. 7, pp. 1219-124 (2009).
  4. “Cryogenic sample exchange NMR probe for magic angle spinning dynamic nuclear polarization,” Alexander B. Barnes, Melody L. Mak-Jurkauskas, Yoh Matsuki, Vikram S. Bajaj, Patrick C.A. van der Wel, Ronald DeRocher, Jeffrey Bryant, Jagadishwar R. Sirigiri, Richard J. Temkin, Johan Lugtenburg, Judith Herzfeld and Robert G. Griffin, Journal of Magnetic Resonance, Volume 198, Issue 2, Pages 261-270, June 2009.
  5. “Handling Technology of Mega-Watt Millimeter-Waves For Optimized Heating of Fusion Plasmas,” Takashi Shimozuma, Shin Kubo, Yasuo Yoshimura, Hiroe Igami, Hiromi Takahashi, Yasuyuki Takita, Sakuji Kobayashi, Satoshi Ito, Yoshinori Mizuno, Hiroshi Idei, Takashi Notake, Michael A. Shapiro, Richard J. Temkin, Federico Felici, Timothy Goodman, Olivier Sauter, Ryutaro Minami, Tsuyoshi Kariya, Tsuyoshi Imai and Takashi Mutoh, Journal of Microwave Power & Electromagnetic Energy Vol. 43, No. 1, (2009).
  6. “Calculation of Radiation from a Helically Cut Waveguide for a Gyrotron Mode Converter in the Quasi-Optical Approximation,” E. M. Choi, M. A. Shapiro, J. R. Sirigiri, R. J. Temkin, J Infrared Millimeter and Terahertz Waves Vol. 30, pp. 8-25 (2009).

 

2008

  1. “Observation of Large Arrays of Plasma Filaments in Air Breakdown by 1.5 MW, 110 GHz Gyrotron Pulses,” Y. Hidaka, E. M. Choi, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, Phys. Rev. Lett., Volume: 100 Issue: 3 Article Number: 035003 (Jan. 25, 2008)
  2. “Dynamic Nuclear Polarization at High Magnetic Fields,” T. Maly, G. T. Debelouchina, V. S. Bajaj, K.-N., Hu, C.-G. Joo, M. L. Mak-Jurkauskas, J. R. Sirigiri, P. C. A. van der Wel, J. Herzfeld, R. J. Temkin and R. G. Griffin, J. Chem. Phys. Volume: 128, Issue: 5, Article Number: 052211, (Feb. 7 2008).
  3. “High Field Dynamic Nuclear Polarization for Solid and Solution Biological NMR,” A. B. Barnes, G. De Paëpe, P. C.A. van der Wel, K. –N. Hu, C. –G. Joo, V. S. Bajaj, M. L. Mak-Jurkauskas, J. R. Sirigiri, J. Herzfeld, R. J. Temkin and R. G. Griffin, Applied Magnetic Resonance Appl. Magn. Reson., Vol. 34, pp. 237-263 (2008).
  4. “Imaging of atmospheric air breakdown caused by a high-power 110-GHz pulsed Gaussian beam,” Hidaka, Y.; Choi, E.M.; Mastovsky, I.; Shapiro, M.A.; Sirigiri, J.R.; Temkin, R.J. IEEE Trans. on Plasma Science, v 36, n 4, pt.1, p 936-7 (Aug., 2008)
  5. “Low-power testing of losses in millimeter-wave transmission lines for high-power applications,” Han, S.T.; Comfoltey, E.N.; Shapiro, M.A.; Sirigiri, J.R.; Tax, D.S.; Temkin, R.J.; Woskov, P.P.; Rasmussen, D.A., International Journal of Infrared and Millimeter Waves, v 29, n 11, p 1011-1018 (Nov., 2008).
  6. “Simulation of the bulk and surface modes supported by a diamond lattice of metal wires,” M. A. Shapiro, K. R. Samokhvalova, J. R. Sirigiri, R. J. Temkin, and G. Shvets, Journal of Applied Physics 104, 103107 (2008).

2007

  1. “Efficient low-voltage operation of a CW gyrotron oscillator at 233 GHz,” M. K. Hornstein; V. S. Bajaj, R. G. Griffin; and R. J. Temkin,  IEEE Trans. On Plasma Science Vol. 35 (1): pp. 27-30 (Feb. 2007).
  2. “Efficiency Enhancement of a 1.5 MW 110-GHz Gyrotron with a Single-Stage Depressed Collector,” E. M. Choi, A. J. Cerfon, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, Fusion Science and Technology, Vol. 52, pp. 334-339 (Aug., 2007).
  3. “Absolute Scale Power Measurements of Frequency-Locked Coherent Transition Radiation,” R. A. Marsh, A. S. Kesar and R. J. Temkin, PRSTAB Vol. 10, 082801 (Aug., 2007).
  4. “Spectral Characteristics of a 140-GHz Long-Pulsed Gyrotron,” S. T. Han, R. G. Griffin, K. N. Hu, C. G. Joo, C. D. Joye, J. R. Sirigiri, R. J. Temkin, A. C. Torrezan and P.P. Woskov, IEEE Trans. Plasma Science, Volume 35,  Issue 3,  June 2007 Page(s):559 – 564 (2007).
  5. “250 GHz CW gyrotron oscillator for dynamic nuclear polarization in biological solid state NMR,” V. S. Bajaj, M. K. Hornstein,1, K. E. Kreischer; J. R. Sirigiri, P. P. Woskov, M. L. Mak-Jurkauskas , J. Herzfeld; R. J. Temkin, R. G. Griffin; Journal of Magnetic Resonance Vol. 189 pp. 251–279 (2007).
  6. “Experimental observation of the effect of aftercavity interaction in a depressed collector gyrotron oscillator,” E. M. Choi, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, Physics of Plasmas Volume: 14 Issue: 9 Article Number: 093302 (Sept., 2007).

 

2006

  1. "Operational Characteristics of 14 W, 140 GHz Gyrotron for Dynamic Nuclear Polarization," C. D. Joye, R. G. Griffin, M. K. Hornstein, K. N. Hu, K. E. Kreischer, M. Rosay, M. A. Shapiro, J. R. Sirigiri, R. J. Temkin, and P. P. Woskov, IEEE Transactions on Plasma Science, vol. 34, no. 3 (2006).
  2. "Spatial dispersion in metamaterials with negative dielectric permittivity and its effect on surface waves," M. A. Shapiro, G. Shvets, J. R. Sirigiri, and R. J. Temkin, Optics Letters, vol. 31, no. 13, p. 2051 (2006).
  3. "Measurement of Subpicosecond Bunch Lengths using Coherent Smith-Purcell Radiation,” S. E. Korbly, A. S. Kesar, R. J. Temkin and J.H. Brownell, Phys. Rev. ST Accel. Beams 9, 022802 (2006).
  4. "Experimental Results for a 1.5 MW, 110 GHz Gyrotron Oscillator with Reduced Mode Competition," E. M. Choi, C. D. Marchewka, M. A. Shapiro, J. R. Sirigiri, I. Mastovsky and R. J. Temkin, Physics of Plasmas 13, No. 2 (Feb., 2006) 023103 (7 pages) (2006).
  5. "Power measurement of frequency-locked Smith-Purcell radiation," A. S. Kesar, R. A. Marsh, and R. J. Temkin, Physical Review, Special Topics Accel. Beams Vol. 9, 022801 (Feb., 2006).
  6. "Analysical and numerical calculations of the dispersion characteristics of two-dimensional dielectric photonic band gap structures," K. Samokhvalova, C. Chen and B. L. Qian, Journal of Applied Physics 99, 063104 (2006).
  7. "Experimental verification of phase retrieval of quasi-optical millimeter-wave beams," H. Idei, T. Shimozuma, M. A. Shapiro, T. Notake, S.
    Kubo and R. J. Temkin, IEEE Trans. Microwave Theory and Techniques 54 (11)
    pp.3899-3905 (Nov., 2006).
  8. "Continuous-wave operation of a 460-GHz second harmonic gyrotron oscillator," M. K. Hornstein, V. S. Bajaj, R. G. Griffin, R. J. Temkin IEEE Trans. Plasma Science 34 (3) Part I, pp.524-533 (Jun. 2006).
  9. "Continuous-wave Submillimeter-wave Gyrotrons," Seong-Tae Han, Robert G.
    Griffin, Kan-Nian Hu, Chan-Gyu Joo, Colin D. Joye, Ivan Mastovsky, Michael A. Shapiro, Jagadishwar R. Sirigiri, Richard J. Temkin, Antonio C. Torrezan, Paul P. Woskov, Proc. of SPIE Vol. 6373, Terahertz Physics, Devices, and Systems, (2006).
  10. "Coherent Transition and Smith Purcell Radiation Experiments," Roark A.
    Marsh, Amit S. Kesar and Richard J. Temkin, Advanced Accelerator Concepts:
    12th Workshop, AIP Conference Series CP877, AIP Press (2006).

2005

  1. Time- and frequency-domain models for Smith-Purcell radiation from a two-dimensional charge moving above a finite length grating,” Amit S. Kesar, Mark Hess, Stephen E. Korbly, and Richard J. Temkin, Phys. Rev. E 71, 016501 (9 pages) (January, 2005).
  2. "Demonstration of a 17-GHz, High-Gradient Accelerator with a Photonic-Band-Gap Structure," Evgenya I. Smirnova, Amit S. Kesar, Ivan Mastovsky, Michael A. Shapiro, and Richard J. Temkin, Physical Review Letters, 95, 074801 (2005).
  3. "Synthesis of gyrotron phase-correcting mirrors using irradiance moments," Shapiro, M.A.; Anderson, J.P.; Temkin, R.J. IEEE Transactions on Microwave Theory and Techniques, v 53, n 8, p 2610-15 (Aug. 2005).
  4. "Fabrication and cold test of photonic band gap resonators and accelerator structures," E. I. Smirnova, I. Mastovsky, M. A. Shapiro, R. J. Temkin, L. M. Earley, and R. L. Edwards, Physical Review Special Topics - Accelerators and Beams Volume 8, Number 9, Articles (e091302) (August 2005).
  5. "Megawatt Power Level 120 GHz Gyrotrons for ITER Start-Up," E M Choi, C Marchewka, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri and R. J. Temkin, Journal of Physics, Conference Series, Vol. 25, pages 1-7 (2005).
  6. Observation of Frequency Locked Coherent Terahertz Smith-Purcell Radiation,” S. E. Korbly, A. S. Kesar, J. R. Sirigiri and R. J. Temkin, Physical Review Letters 94, 054803 (February 11, 2005).
  7. "Experimental Studies of Local and Global Emission Uniformity for a Magnetron Injection Gun," J. P. Anderson, R. J. Temkin, and M. A. Shapiro, IEEE Trans. Elec. Devices (May, 2005).
  8. "Second Harmonic Operation at 460 GHz and Broadband Continuous Frequency Tuning of a Gyrotron Oscillator," M. K. Hornstein, V. S. Bajaj, R. G. Griffin, K. E. Kreischer, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, IEEE Trans. Elec. Devices Volume 52, # 5,  p.798 - 807 (May, 2005).
  9. "Evaluation of phase correcting mirrors for an 84 GHz gyrotron based on direct phase measurements at low-power level," T. Notake a, H. Idei, T. Shimozuma, M. Sato, S. Kubo, S. Ito, Y. Takita, K. Ohkubo, Y. Yoshimura, S. Kobayashi, Y. Mizuno, T. Watari, R. Kumazawa, M.A. Shapiro, R.J. Temkin, Fusion Engineering and Design, Vol. 73, pp. 9–18 (2005).
  10. "Quasi-Optical Beam Analysis Based on Direct Phase Measurement at Low Power Level," H. Idei, T. Shimozuma, M. Shapiro, R. Temkin, T. Notake, S. Ito, S. Kubo and K. Ohkubo, J. Plasma Fusion Res. Vol.81, No.3 186 - 190 (2005).
  11. "Alignment Method of ECH Transmission Lines Based on the Moment and Phase Retrieval Method Using IR Images," T. Shimozuma, H. Idei, M. Shapiro, R. Temkin, S. Ito, T. Notake, S. Kubo, Y. Yoshimura, S. Kobayashi, Y. Mizuno, Y. Takita and K. Ohkubo, J. Plasma Fusion Res. Vol.81, No.3 191 - 196 (2005).
  12. "Corrugated Waveguide and Directional Coupler for CW 250-GHz Gyrotron DNP Experiments," P. P. Woskov, V. S. Bajaj, M. K. Hornstein, R. J. Temkin, and R. G. Griffin, IEEE Trans. Microwave Theory and Techniques, Vol. 53, No. 6, pp. 1863-1869 (June, 2005).
  13. "Development of steady-state advanced tokamak research in the DIII-D tokamak," Luce, T.C. and DIII-D Team, Fusion Science and Technology, v 48, n 2, p 1212-1225 (October, 2005).

Selected journals before 2004

  1. Studies of the 1.5-MW 110-GHz Gyrotron Experiment,” Anderson, J.P.; Shapiro, M.A.; Temkin, R.J.; Mastovsky, I.; Cauffman, S.R., IEEE Trans. Plasma Science, Volume: 32, Issue: 3, pages 877- 883, (June 2004).

  2. "Space-charge limit for a finite-size bunched beam in a circular conducting pipe," Mark Hess and Chiping Chen, Phys. Rev. ST Accel. and Beams 7, 092002 (2004).

  3. Image-charge effects on the envelope dynamics of an unbunched intense charged-particle beam,” B. L. Qian, J. Zhou and C. Chen, Phys. Rev. ST Accel. and Beams 6, 014201(2003).

  4. "Chaotic particle motion and beam halo formation induced by image-charge effects in a small-aperture alternating-gradient focusing system," Jing Zhou, B. L. Qian, and Chiping Chen, Physics of Plasma, 10, 4203 (2003).

  5. Dynamic Nuclear Polarization at 9 Tesla Using a Novel 250 GHz Gyrotron Microwave Source,” V.S. Bajaj, C. T. Farrar, M. K. Hornstein, I. Mastovsky, J. Vieregg, J. Bryant, B. Eléna, K. E. Kreischer, R. J. Temkin and R. G. Griffin, J. Magn. Resonance 160, 85-90 (2003).

  6. "Equilibrium and confinement of bunched annular beams," M. Hess and C. Chen, Phys. Plasmas, vol. 9, no. 4, pp. 1422-1430, April 2002.
  7. "Equilibrium and stability properties of self-organized electron spiral toroids," C. Chen, R. Pakter and D.C. Seward, Phys. Plasmas, vol. 8, no. 10, pp. 4441-4449, October 2001.
  8. "Simulation of Photonic Band Gaps in Metal Rod Lattices for Microwave Applications ," E. I. Smirnova, C. Chen, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, J. Appl. Phys., vol. 91, no. 3, pp. 960-968, 1 February 2002.
  9. "Experimental investigation of a 140 GHz coaxial gyrotron oscillator," R. Advani, J. P. Hogge, K. E. Kreischer, M. Pedrozzi, M. E. Read, J. R. Sirigiri, and R. J. Temkin, IEEE Trans. Plasma Science, vol. 29, no. 6, pp. 943-950, December 2001.
  10. Low emittance electron beam formation with a 17 GHz RF gun," W. J. Brown, S. E. Korbly, K. E. Kreischer, I. Mastovsky, and R. J. Temkin, Phys. Rev. ST Accel. Beams, Vol. 4, 083501 (2001)
  11. "Low Emittance Electron Beam Formation with a 17 GHz RF Gun," WJ. Brown, S.E. Korbly, K.E. Kreischer, M.A. Shapiro, RJ. Temkin, AIP. American Institute of Physics Conference Proceedings, no.569, pp.436-449. USA. (2001).
  12. "Photonic-Band-Gap Resonator Gyrotron," J. R. Sirigiri, K. E. Kreischer, J. Machuzak, I. Mastovsky, M. A. Shapiro and R. J. Temkin, Physical Review Letters, Vol. 86, No. 24, pp. 5628-5631 (11 June 2001)
  13. "ITER R&D: Auxiliary Systems: Electron Cyclotron Heating and Current Drive System," T. Imai, N. Kobayashi, R. Temkin, M. Thumm, M. Q. Tran and V. Alikaev, Fusion Engineering and Design, Volume 55, Issues 2-3, July 2001, Pages 281-289
  14. "17 GHz photonic band gap cavity with improved input coupling," M. A. Shapiro, W. J. Brown, I. Mastovsky, J. R. Sirigiri, and R. J. Temkin, Phys. Rev. ST Accel. Beams Vol. 4, 042001 (2001).
  15. "Design of Correcting Mirrors for a Gyrotron Used at Large Helical Device," M. A. Shapiro, T. S. Chu, D. R. Denison, M. Sato, T. Shimozuma, R. J. Temkin, Fusion Engineering and Design, Vol. 53, pp. 537-544 (2001). (top)
  16. "Design, analysis and cold test of a 17 GHz RF gun,” M. A. Shapiro, W. J. Brown, K. E. Kreischer, R. J. Temkin", AIP. American Institute of Physics Conference Proceedings, no.472, pp.850-60. USA. (1999).
  17. "Experimental results of the MIT 17 GHz RF gun," W. J. Brown, S. Trotz, K. E. Kreischer, M. Pedrozzi, M. A. Shapiro, R. J. Temkin. AIP. American Institute of Physics Conference Proceedings, no.472, pp.861-74. USA. (1999).
  18. "Experimental and theoretical investigations of a 17 GHz RF gun," W. J. Brown, S. Trotz, K. E. Kreischer, M. Pedrozzi, M. A. Shapiro, R. J. Temkin, Nucl. Instr. and Meth. in Phys. Res. A425, pp. 441-459 (1999).
  19. "Gyrotron Internal Mode Converter Reflector Shaping from Measured Field Intensity," D. R. Denison, T. S. Chu, M. A. Shapiro, and R. J. Temkin, IEEE Trans. Plasma Science Vol. 27, No. 2, pp. 512-519, (April, 1999).
  20. "Electromagnetic Analysis and Cold Test of a Distributed Window for a High Power Gyrotron," M. A. Shapiro; C. P. Moeller; and R. J. Temkin, Int. J. Infrared and Millimeter Waves, Vol. 20, No. 4, pp. 533-542 (April, 1999).
  21. "Demonstration of Microwave Generation by a Ferroelectric-Cathode Tube," R. Drori, M. Einat, D. Shur, E. Jerby, G. Rosenman, R. Advani, R. J. Temkin, C. Pralong, Applied Physics Letters, vol.74, no.3, pp.335-337 (18 Jan. 1999).
  22. "Characteristics and Applications of Fast-Wave Gyrodevices," K. L. Felch, B. G. Danly, H. R. Jory, K. E. Kreischer, W. Lawson, B. Levush and R. J. Temkin, Proceedings of the IEEE, Vol. 87, No. 5, pp. 752-781 (May, 1999).
  23. "Kiloampere and microsecond electron beams from Ferroelectric Cathodes," R. N. Advani, J. P. Hogge, K. E. Kreischer, W. Mulligan, R. J. Temkin, G. F. Kirkman, B. Jiang, IEEE Trans. Plasma Science, Vol.26, No.4, pp.1347-52 (Aug., 1998).
  24. "140 GHz Gyrotron Experiments Based on a Confocal Cavity," W. Hu, M. A. Shapiro, K. E. Kreischer and R. J. Temkin, IEEE Trans. Plasma Science, Vol. 26, No. 3, pp. 366-374 (June, 1998).
  25. "Scanning with Ease Through the Far Infrared," Richard Temkin, Science, Vol. 280, page 854 (8 May, 1998).
  26. "High power operation of a 17 GHz Photocathode RF Gun," S. Trotz, W. J. Brown, B. G. Danly, J.-P. Hogge, M. Khusid, K. E. Kreischer, M. Shapiro and R. J. Temkin, AIP Conference Proceedings Vol. 398, 7th Workshop on Advanced Accelerator Concepts, Lake Tahoe, October, 1996, AIP Press, Inc., pp. 717-729 (1997).
  27. "High power operation of a 170 GHz megawatt gyrotron," K. E. Kreischer, T. Kimura, B. G. Danly and R. J. Temkin, Phys. Plasmas Vol. 4, No. 5, pp. 1907 - 1914 (May, 1997).
  28. "Theoretical and experimental investigation of a quasi-optical mode converter for a 110-GHz gyrotron," M. Blank, K. Kreischer and R. J., Temkin, IEEE Trans. Plasma Science Vol. 24, No. 3, pp. 1058-1066 (June, 1996).
  29. "Long-pulse and CW tests of a 110-GHz gyrotron with an internal, quasi-optical converter," K. Felch, M. Blank, P. Borchard, Tak Sum Chu, J. Feinstein, H. R. Jory, J. A. Lorbeck, C. M. Loring, Y. M. Mizuhara, J. M. Neilson, R. Schumacher, R. J. Temkin, IEEE Transactions on Plasma Science Vol. 24, no.3 pp.558-69 (June, 1996). (top)
  30. "Multimegawatt relativistic harmonic gyrotron traveling-wave tube amplifier experiments, " W. L. Menninger, B. G. Danly, R. J. Temkin, IEEE Transactions on Plasma Science, Vol. 24, No.3 pp. 687-99 (June, 1996).
  31. "Study of rotating modes in high frequency whispering gallery mode gyrotrons," M. Blank, K. E. Kreischer and R. J. Temkin, IEEE Trans. Plasma Science Vol. 22, No. 5, p. 883-888 (October, 1994).
  32. "Influence of sideband oscillations on gyrotron efficiency," W. C. Guss, M. A. Basten, K. E. Kreischer, R. J. Temkin, T. M. Antonsen, Jr., S. Y. Cai, G. Saraph and B. Levush, IEEE Trans. Plasma Science, Vol. 22, No. 5, p. 871-877 (October, 1994).
  33. "Velocity spread measurements on a magnetron injection gun beam," W. C. Guss, M. A. Basten, K. E. Kreischer and R. J. Temkin, J. Appl. Physics 76, No. 6, pp. 3237-3243 (15 Sept. 1994).
  34. "Single mode operation of a Bragg free-electron maser oscillator," T. S. Chu, F. V. Hartemann, B. G. Danly and R. J. Temkin, Physical Review Letters Vol. 72, No. 15, p. 2391-2394 (11 April 1994).
  35. "Dynamic nuclear polarization with a cyclotron resonance maser at 5T," L. R. Becerra, G. J. Gerfen, R. J. Temkin, D. J. Singel and R. G. Griffin, Physical Review Letters, Vol. 71, No. 21, p. 3561-3564 (22 Nov. 1993).
  36. "Experimental study of a 28 GHz high-power long-pulse cyclotron autoresonance maser oscillator," S. Alberti, B. G. Danly, G. Gulotta, E. Giguet, T. Kimura, W. L. Menninger, J. L. Rullier and R. J. Temkin, Phys. Rev. Lett., Vol. 71, No. 13, p. 2018-2021 (27 Sept 1993). (top)

 

 

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