On the negative-mass instability in gyrotrons

International Journal of Electronics

Volumn 88, Issue 2, 2001, Pages 215-224

  Dumbrajs, O ^a,b   Nikkola, P ^c   Piosczyk, B ^b  

^a KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

^b AALTO UNIVERSITY   (Finland)

^c EPFL   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 1842739512     PISSN: 00207217     EISSN: None     Source Type: Journal    
DOI: 10.1080/00207210010006083     Document Type: Article

References (21)

1. ANTONSEN, T. M. JR., FLIFLET, A., CALAME, J., and DANLY, B., 1999, Collective theory of shot noise in gyroklystrons. Conference Digest, 24th International Conference on Infrared and Millimeter Waves, Monterey, California, USA, 6-10 September 1999 (Davis: University of California), M-A3.
2. BONDENSON, A., and ANTONSEN, T. M. JR., 1986, Space-charge instabilities in gyrotron beams. International Journal of Electronics, 61, 855-870.
3. BRATMAN, V. L., 1976, On instability of the orbital motion in an electron layer rotating in a homogeneous magnetostatic field. Zhurnal Tekhnicheskoi Fiziki, 46, 2030-2036.
4. BRATMAN, V. L., DUMBRAJS, O., NIKKOLA, P., and SAVILOV, A. V., 2000, Space-charge effects as a source of electron energy spread and efficiency degradation in gyrotrons' Special Issue of IEEE Transactions on Plasma Science (to be published).
5. BRATMAN, V. L., GLYAVIN, M. YU., GOLDENBERG, A. L., KUFTIN, A. N., SAVILOV, A. V., VENEDIKTOV, N. P., and ZAPEVALOV, V. E., 1997. Measurement and interpretation of electron energy spectra in gyrotrons. Digest of the 22nd International Conference on Infrared and Millimeter Waves, Wintergreen, Virginia, USA (Northrop Grumman, Science Applications International Corporation), p. 186.
6. BRATMAN, V. L., GOLDENBERG, A. L., and SAVILOV, A. V., 1996, Negative-mass instability as a source of energy spread of electron beams formed in magnetron-injection guns. Abstract of the 11th International Conference on High Power Particle Beams, Prague, Czech Republic, 1-44.
7. BRATMAN, V. L., and SAVILOV, A. V., 1995, Phase mixing of bunches and decrease of negative-mass instability increments in cyclotron resonance masers. Physics of Plasmas, 2, 557-564.
8. CAI, S. Y., ANTONSEN, T. M. JR., SARAPH, G., and LEVUSH, B., 1992, Multifrequency theory of high power gyrotron oscillators. International Journal of Electronics, 72, 759-777.
9. CHU, K. R., and LYU, L. H., 1986, Simulation of electrostatic noise amplification in gyrotrons. IEEE Transactions on Microwave Theory Techniques, MTT-34, 690-695.
10. DUMBRAJS, O., and KOPONEN, J. P. T., 1999, Generalized gyrotron theory with inclusion of electron velocity and energy spreads. Physics of Plasmas, 6, 2618-2621.
11. GAPONOV, A. V., PETELIN, M. I., and YULPATOV, V. K., 1967, Induced radiation of excited classical oscillators and its use in high frequency electronics. Radiophysics and Quantum Electronics, 10, 686.
12. HIRSHFIELD, J. L., 1981, Cyclotron harmonic maser. International Journal of Infrared and Millimeter Waves, 2, 695-704.
13. HIRSHFIELD, J. L., and GRANATSTEIN, V. L., 1977, The electron cyclotron maser. An historical survey. IEEE Transactions on Microwave Theory Techniques, MTT-25, 522-527.
14. KUO, F. S., CHU, K. R., and SU, J. J., 1990, Simulation of the electrostatic instability in an annular electron beam. Chinese Journal of Physics, 28, 327-334.
15. LI, H., and ANTONSEN, T. M. JR., 1994, Space charge instabilities in gyrotron beams. Physics of Plasmas, 1, 714-729.
16. PEDROZZI, M., ALBERTI, S., HOGGE, J. P., TRAN, M. Q., and TRAN, T. M., 1998, Electron beam instabilities in gyrotron beam tunnels. Physics of Plasmas, 5, 2421-2430.
17. PIOSCZYK, B., BRAZ, O., DAMMERTZ, G., IATROU, CH., ILLY, S., KUNTZE, M., MICHEL, G., and THUMM, M., 1999, 165GHz, 1.5 MW-coaxial cavity gyrotron with depressed collector. IEEE Transactions on Plasma Science, 27, 484-489.
18. SAVILOV, A. V., 1997, Negative-mass instability in magnetron-injection guns. Physics of Plasmas, 4, 2276-2284.
19. SOUMAGNE, G., ALBERTI, S., HOGGE, J. P., PEDROZZI, M., SIEGRIST, M. R., TRAN, M. Q., and TRAN, T. M., 1996, Measurement of the parallel velocity distribution function of the electron beam in a quasi-optical gyrotron by electron cyclotron emission. Physics of Plasmas, 3, 3501-3506.
20. TRAN, T. M., JOST, G., APPERT, S., ALBERTI, S., and PEDROZZI, M., 1997, Particle-in-cell (PIC) simulations of beam instabilities in gyrotrons. Physics of Plasmas, 4, 3043-3048.
21. VENEDIKTOV, N. P., GLYAVIN, M. YU., GOLDENBERG, A. L., ZAPEVALOV, V. E., KUFTIN, A. N., and POSTNIKOVA, A. S., 2000, Measurements of the spread in the initial electron energy m a gyrotron. Technical Physics, 45, 476-479.