Continuous-wave operation of a 460-GHz second harmonic gyrotron oscillator

IEEE Transactions on Plasma Science

Volumn 34, Issue 3 PART 1, 2006, Pages 524-533

  Hornstein, Melissa K ^a,b   Bajaj, Vikram S ^c   Griffin, Robert G ^c   Temkin, Richard J ^d  

^a USA   (United States)

^b NAVAL RESEARCH LABORATORY   (United States)

^c MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^d MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Continuous wave (CW); Dynamic nuclear polarization (DNP); Gyrotron oscillator; Harmonic; Low voltage; Nuclear magnetic resonance (NMR); Submillimeter; Terahertz

Indexed keywords

CONTINUOUS-WAVE (CW); DYNAMIC NUCLEAR POLARIZATION (DNP); GYROTRON OSCILLATOR; HARMONIC; LOW VOLTAGE; SUBMILLIMETER; TERAHERTZ;

HARMONIC ANALYSIS; MAGNETIC FIELDS; NUCLEAR MAGNETIC RESONANCE; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; RESONANCE; SPIN POLARIZATION;

GYROTRONS;

EID: 33846204132     PISSN: 00933813     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPS.2006.875769     Document Type: Article

References (13)

1. K. Hong, G. Brand, and T. Idehara, "A 150-600 GHz step-tunable gyrotron," J. Appl. Phys., vol. 74, no. 8, pp. 5250-5258, Oct. 1993.
2. T. Idehara, K. Yoshida, N. Nishida, I. Ogawa, M. L. Pereyaslavets, and T. Tatsukawa, "CW operation of a submillimeter wave gyrotron (gyrotron FU IV) for high stability of the output frequency," Int. J. Infrared Millim. Waves, vol. 19, no. 6, pp. 793-801, Jun. 1998.
3. N. Zaytsev, T. Pankratova,M. Petelin, and V. Flyagin, "Millimeter- and submillimeter-wave gyrotrons," Radio Eng. Electron. Phys. (USA), vol. 19, no. 5, pp. 103-107, May 1974.
4. V. Flyagin, A. Luchinin, and G. Nusinovich, "Submillimeter-wave gyrotrons: Theory and experiment," Int. J. Infrared Millim. Waves vol. 4, no. 4, pp. 629-637, July 1983.
5. M. K. Hornstein, V. S. Bajaj, R. G. Griffin, K. E. Kreischer, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, "Second harmonic operation at 460 GHz and broadband continuous frequency tuning of a gyrotron oscillator," IEEE Trans. Electron Devices, vol. 52, no. 5, pp. 798-807, May 2005.
6. K. Kreischer, C. Farrar, R. Griffin, R. Temkin, and J. Vieregg, "A 250 GHz gyrotron for NMR spectroscopy," 27th IEEE ICOPS Record Abstracts. New Orleans, LA, Jun. 2000, p. 198.
7. V. Bajaj, C. Farrar, M. Hornstein, I. Mastovsky, J. Vieregg, J. Bryant, B. Elena, K. Kreischer, R. Temkin, and R. Griffin, "Dynamic nuclear polarization at 9 Tesla using a novel 250 GHz gyrotron microwave source," J. Mag. Res., vol. 160, no. 2, pp. 85-90, Feb. 2002.
8. M. Botton, T. Antonsen, B. Levush, K. Nguyen, and A. Vlasov, "MAGY: A time-dependent code for simulation of slow and fast microwave sources," IEEE Trans. Plasma Sci., vol. 26, no. 3, pp. 882-892, Jun. 1998.
9. K. Kreischer, B. Danly, P. Woskoboinikow, W. Mulligan, and R. Temkin, "Frequency pulling and bandwidth measurements of a 140 GHz pulsed gyrotron," Int. J. Elec., vol. 57, no. 6, pp. 851-862, Dec. 1984.
10. O. Dumbrajs and G. Nusinovich, "Effect of technical noise on radiation linewidth in free-running gyrotron oscillators," Phys. Plasmas, vol. 4, no. 5, pp. 1413-1423, May 1997.
11. G. Nusinovich and O. Dumbrajs, "Technical noise in gyroklystrons and phase-locked gyrotron oscillators," Phys. Plasmas, vol. 4, no. 5, pp. 1424-1433, May 1997.
12. V. S. Bajaj, M. K. Hornstein, K. E. Kreischer, P. P. Woskov, M. L. Mak, J. Herzfeld, R. J. Temkin, and R. G. Griffin, "A continuous duty cycle 250 GHz gyrotron oscillator for dynamic nuclear polarization in biological solid state NMR," J. Mag. Res., 2006.
13. C. Joye, R. Griffin, M. Hornstein, K. Hu, K. Kreischer, M. Rosay, M. Shapiro, J. Sirigiri, R. Temkin, and P.Woskov, "Operational characteristics of a 14-W 140-GHz gyrotron for dynamic nuclear polarization," IEEE Trans. Plasma Sci., vol. 34, no. 3, pp. 518-523, Jun. 2006.