University of Maryland Institute for Research in Electronics and Applied Physics
Institute for Research in Electronics and Applied Physics

Harmonic Gyrotron Laboratory

Publications

  1. "Mode Switching in a Gyrotron with Azimuthally Corrugated Resonator", G. S. Nusinovich, O. V. Sinitsyn, and T. M. Antonsen, Jr., Phys. Rev. Lett. 98, 205101 (2007).

  2. "On the Theory of Frequency-Quadrupling Gyroklystrons," A. V. Savilov and G. S. Nusinovich, Phys. Plasmas 14, 053113 (2007).

  3. "Phase Locking in Backward-Wave Oscillators with Strong End Reflections", G. S. Nusinovich, O. V. Sinitsyn, J. Rodgers, A. G. Shkvarunets, and Y. Carmel, Phys. Plasmas 14, 053109 (2007).

  4. "Interpretation of the Nonlinear Mode Excitation in the ITER Gyrotron," G. S. Nusinovich and O. V. Sinitsyn, Phys. Plasmas 14, 113103 (2007).

  5. "Nonlinear Theory of the Beam-Wave Interaction in the Pasotron with a Phase-mixed Electron Beam," Yu. P. Bliokh and G. S. Nusinovich, Phys. Plasmas 13, 023102 (2006).

  6. "Start-Up Scenario in Gyrotrons with a Nonstationary Microwave-Field Structure," G. S. Nusinovich, M. Yeddulla, T. M. Antonsen, Jr., and A. N. Vlasov, Phys. Rev. Lett. 96, 125101 (2006).

  7. "Slow Processes in Startup Scenarios of Long-Pulse Gyrotrons," G. S. Nusinovich, O. V. Sinitsyn, T. M. Antonsen, Jr., A. N. Vlasov, S. R. Cauffman, and K. L. Felch, Phys. Plasmas 13, 083106 (2006).

  8. "Mode Selectivity in Multiple-Beam Klystrons," G. s. Nusinovich and D. K. Abe, Phys. Plasmas 13, 093101 (2006).

  9. "Wave Interaction in Relativistic Harmonic Gyro-Traveling-Wave Devices," R. Ngogang, G. S. Nusinovich, T. M. Antonsen, Jr., and V. L. Granatstein, Phys. Rev. E 73, 056401 (2006).

  10. "Azimuthal Instability of Radiation in Gyrotrons with Overmoded Resonators," O. Dumbrajs and G. S. Nusinovich, Phys. Plasmas 12, 053106 (2005).

  11. "Effect of Transverse Nonuniformity of the rf Field on the Efficiency of Microwave Sources Driven by Linear Electron Beams," G. S. Nusinovich and O. V. Sinitsyn, Phys. Plasmas 12, 093107 (2005).

  12. "Startup Scenarios in High-Power Gyrotrons," G. S. Nusinovich, O. V. Sinitsyn, L. Velikovich, M. Yeddulla, T. M. Antonsen, Jr., A. N. Vlasov, S. R. Cauffman, and K. Felch, Invited Paper in Special Issue of IEEE Trans. on Plasma Science on High-Power Microwave Generation, IEEE-PS 32, 841-852 (2004).

  13. "Prebunching of Electrons in Harmonic-Multiplying Cluster-Cavity Gyro-amplifiers," Y. Miao, T. M. Antonsen, Jr., G. S. Nusinovich, A. N. Vlasov, H. Guo, and V. L. Granatstein, ibid., 970-980 (2004).

  14. "A Tribute to Georges Mourier (1923-2003)," G. Faillon, H. Jory, and G. S. Nusinovich, ibid., 838-840.

  15. "Coaxial Gyrotrons: Past, Present, and Future (Review)," O. Dumbrajs and G. S. Nusinovich, Invited paper, ibid., 934-946.

  16. "Comparison of Multi-stage Gyroamplifiers Operating in the Frequency-Multiplication Regime with Gyroamplifiers Operating at a Given Cyclotron Harmonic," G. S. Nusinovich, O. V. Sinitsyn, J. Rodgers, T. M. Antonsen, Jr., V. L. Granatstein, and N. C. Luhmann, Jr., Special Issue of IEEE Trans. on Plasma Science on High-Power Microwave Generation, IEEE-PS 32, 957-959 (2004).

  17. "Reflections in Gyrotrons with Radial Output: Consequences for the ITER Coaxial Gyrotron," O. Dumbrajs, G. S. Nusinovich, and B. Piosczyk, Phys. Plasmas 11 (12), 5423-5429 (2004).

  18. "Magnetic Matching of Beam Optics Between Quasi-Laminar and Phase-Mixed States," Yu. P. Bliokh, G. S. Nusinovich, J. Felsteiner, and V. L. Granatstein, Phys. Plasma 10, 4095-4104 (2003).

  19. "Temporal Study of a Plasma Loaded Helix, Backward Wave Oscillator," T. M. Abu-Elfadl, G. S. Nusinovich, T. M. Antonsen, Jr., and V. L. Granatstein, Phys. Plasma 10, 3746-3757 (2003).

  20. "Harmonic Gain and Noise in a Frequency Doubling Gyro-Amplifier," J. Rodgers, T. M. Antonsen, Jr., and V. L. Granatstein, IEEE Trans. Electron. Devices 50, 1785-1792 (2003).

  21. "Nonlinear Theory of the Gyro-TWT: Comparison of Analytical Method and Numerical Code Data for the NRL Gyro-TWT," O. V. Sinitsyn, G. S. Nusinovich, K. T. Nguyen, and V. L. Granatstein, IEEE Trans. Plasma Sci. 30 Special Issue on High-Power Microwave Generation, 915-921 (2002).

  22. "Use of the Kompfner Dip Effect in Multistage Gyro-TWTs of High Average Power," G. S. Nusinovich and M. Walter, ibid. pp. 922-926 (2002).

  23. "Theory of Clustered-Cavity Gyroklystron," G. S. Nusinovich, T. M. Antonsen, Jr., H. Guo, and V. L. Granatstein, Phys. Plasmas 9, 4032-4039 (2002).

  24. "Self-Consistent Nonstationary Processes in Phase-Mixed Electron Beams Focused by Mobile Ions," Yu. P. Bliokh, G. S. Nusinovich, J. Felsteiner, and V. L. Granatstein, Phys. Rev. E 66, 056503 (Nov. 2002).

  25. "Phase Stability in Gyro-Traveling-Wave-Tubes," G. S. Nusinovich, J. Rodgers, W. Chen, and V. L. Granatstein, IEEE Trans. Electron Devices 48, 1460-1468 (2001).

  26. "Experimental Study of Phase Deviation and Pushing in a Frequency Doubling, Second Harmonic Gyro-Amplifier," J. Rodgers, H. Guo, G. S. Nusinovich, and V. L. Granatstein, IEEE Trans. Electron Devices 48, 2434-2441 (2001).

  27. "Analytical Theory of Frequency-Multiplying Gyro-Traveling-Wave-Tubes," G. S. Nusinovich, W. Chen, and V. L. Granatstein, Phys. Plasmas 8, 631-637 (2001).

  28. "Linear Theory of Gyro-Traveling-Wave-Tubes with Distributed Losses," G. S. Nusinovich, O. V. Sinitsyn, and A. Kesar, Phys. Plasmas 8, 3427-3433 (2001).

  29. "Nonstationary Phenomena in Tapered Gyro-Backward-Wave Oscillators," G. S. Nusinovich, A. N. Vlasov, and T. M. Antonsen, Jr., Phys. Rev. Lett. 87, paper 218301 (Nov. 2001).

  30. "MURI 99 on Innovative Vacuum Electronics," presented by Victor L. Granatstein at the DoD (AFOSR) MURI 99 MVE Review, Monterey, CA, May 1, 2000.

  31. "Axial Mode Locking in a Harmonic-Multiplying, Inverted Gyrotwystron," J. Zhao, Gregory S. Nusinovich, H. Guo, John C. Rodgers, and Victor L. Granatstein, IEEE Trans. Plasma Sci. 28, 597-605 (2000).

  32. "Studies of a Three-Stage Inverted Gyrotwystron," J. Zhao, H. Guo, G. S. Nusinovich, J. Rodgers, and V. L. Granatstein, Special Issue of IEEE-PS on High-Power Microwave Generation 28, 657-664 (2000).

  33. "High Efficiency, Phase-Locked Operation of the Harmonic-Multiplying Inverted Gyrotwystron Oscillator," J. Rodgers, H. Guo, Victor L. Granatstein, S. H. Chen, Gregory S. Nusinovich, M. Walter, and J. Zhao, IEEE Trans. Plasma Sci. 27, 412-421 (1999).

  34. "Nonlinear Theory of Gyrotwystrons with Stagger-Tuned Cavities," Wenjun Chen, Gregory S. Nusinovich, and V. L. Granatstein, Special Issue of IEEE-PS on CRMs and Gyrotrons, IEEE-PS 27, 429-437 (1999).

  35. "Linear Theory of Multistage Forward-Wave Amplifiers," G. S. Nusinovich and M. Walter, Phys. Rev. E 60, 4811-4822 (1999).

  36. "Operation of a High Performance, Harmonic-Multiplying, Inverted Gyrtwystron," Hezhong Guo, Shiaw-Huei Chen, Victor L. Granatstein, John Rodgers, Gregory S. Nusinovich, Mark T. Walter, and Wenjun Chen, IEEE-PS 7th Special Issue on High-Power Microwaves 26, 451-460 (1998).

  37. "Linear Theory of a Gyrotwystron with Stagger-Tuned Cavities," Gregory S. Nusinovich, Wenjun Chen, and V. K. Tripathi, ibid. 468-474 (1998).

  38. "Theory of Multi-Beam Stagger-Tuned Gyroklystrons," Gregory S. Nusinovich, Baruch Levush, and Bruce G. Danly, ibid. 475-481 (1998).

  39. "Excitation of Backward Waves in Forward-Wave Amplifiers," G. S. Nusinovich, M. Walter, and J. Zhao, Phys. Rev. E 58, 6594-6605 (1998).

  40. "Operation of a Highly Overmoded, Harmonic-Multiplying, Wideband Gyrotron Amplifier," H. Guo, S. H. Chen, V. L. Granatstein, J. Rodgers, G. Nusinovich, M. Walter, B. Levush, and W. J. Chen, Phys. Rev. Lett. 79, 515-518 (1997).

  41. "Effect of Technical Noise on Radiation Linewidth in Free-Running Gyrotron Oscillators," O. Dumbrajs and G. S. Nusinovich, Phys. Plasmas 4, 1413-1423 (1997).

  42. "Technical Noise in Gyroklystrons and Phase-Locked Gyrotron Oscillators," G. S. Nusinovich and O. Dumbrajs, Phys. Plasmas 4, 1424-1433 (1997).

  43. "Scaling Law for Ballistic Bunching in Multicavity Harmonic Gyroklystrons," G. S. Nusinovich, G. P. Saraph, and V. L. Granatstein, Phys. Rev. Lett. 78, 1815-1818 (1997).

  44. "Theory of the Inverted Gyrotwystron," G. S. Nusinovich and M. Walter, Phys. Plasma 4, 3394-3402 (1997).

  45. "A Two-Stage, Phase-Coherent, Harmonic-Multiplying, Inverted Gyrotwystron," S. H. Chen, Ph.D. dissertation, Institute for Plasma Research, Univ. of Maryland, College Park, 1997.
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