Progress in gyrotron development

Fusion Engineering and Design

Volumn 66-68, Issue , 2003, Pages 69-90

  Thumm, Manfred ^a,b  

^a KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

^b UNIVERSITY OF KARLSRUHE   (Germany)

Author keywords

Coaxial cavity gyrotron; Electron cyclotron heating and current drive; Frequency tunable gyrotron; Gyrotron

Indexed keywords

ELECTRON CYCLOTRON RESONANCE; MAGNETIC FIELD EFFECTS; THERMONUCLEAR REACTIONS;

COAXIAL CAVITY GYROTRONS;

GYROTRONS;

EID: 0141495536     PISSN: 09203796     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0920-3796(03)00132-7     Document Type: Conference Paper

References (51)

1. Thumm M. Free electron masers vs. gyrotrons: prospects for high-power sources at millimeter and submillimeter wavelengths. Nucl. Instr. Methods Phys. Res. A483:2002;186-194.
2. Imai T., Kobayashi N., Temkin R., Thumm M., Tran M.Q., Alikaev V. ITER R&D auxiliary systems: electron cyclotron heating and current drive system. Fusion Eng. Design. 55:2001;281-289.
3. Erckmann V., Dammertz G., Dorst D., Empacher L., Förster W., Gantenbein G., Geist T., Kasparek W., Laqua H.P., Müller G.A., Thumm M., Weissgerber H., Wobig H. W7-X and W7-AS Teams at IPP Garching, W7-X Team at FZK Karlsruhe, W7-X Team at IPF Stuttgart, ECRH and ECCD with high power gyrotrons at the stellarators W7-AS and W7-X. IEEE Trans. Plasma Sci. 27:1999;538-546.
4. Zohm H., Gantenbein G., Gude A., Günter S., Leuterer F., Maraschek M., Meskat J., Suttrop W., Yu Q. ASDEX Upgrade Team, ECRH-Group (AUG), Neoclassical tearing modes and their stabilization by electron cyclotron current drive in ASDEX Upgrade. Phys. Plasmas. 8:2001;2009-2016.
5. L. Giannone, V. Erckmann, U. Gasparino, H.J. Hartfuß, G. Kühner, H. Maaßberg, U. Stroh, M. Tutter, W7-AS Team, ECRH Group IPF Stuttgart and Gyrotron Group KfK Karlsruhe (G. Dammertz, G. Gantenbein, T. Geist, M. Kuntze, H.-U. Nickel, B. Piosczyk, M. Thumm), Electron thermal conductivity from heat wave propagation in Wendelstein 7-AS, Nucl. Fusion 32 (1992) 1985-2000.
6. Goldenberg A.L., Denisov G.G., Zapevalov V.E., Litvak A.G., Flyagin V.A. Cyclotron resonance masers: state of the art. Radiophys. Quantum Electronics. 39:1996;423-446.
7. Gold S.H., Nusinovich G.S. Review of high-power microwave source research. Rev. Si. Instrum. 68:1997;3945-3974.
8. Granatstein V.L., Levush B., Danly B.G., Parker R.K. A quarter century of gyrotron research and development. IEEE Trans. Plasma Sci. 25:1997;1322-1335.
9. Petelin M.L. One century of cyclotron radiation. IEEE Trans. Plasma Sci. 27:1999;294-302.
10. Felch K.L., Danly B.G., Jory H.R., Kreischer K.E., Lawson W., Levush B., Temkin R.J. Characteristics and applications of fast-wave gyrodevices. Proc. IEEE. 87:1999;752-781.
11. Dammertz G., Alberti S., Arnold A., Borie E., Erckmann V., Gantenbein G., Giguet E., Hogge J.-P., Illy S., Kasparek W., Koppenburg K., Laqua H., Le Cloarec G., Le Goff Y., Leonhardt W., Liévin Ch., Magne R., Michel G., Müller G., Neffe G., Kuntze M., Piosczyk B., Schmid M., Thumm M., Tran M.Q. Development of a 140 GHz, 1 MW, continuous wave gyrotron for the W7-X stellarator. Frequenz. 55:2001;270-275.
12. Thumm M. Present developments and status of electron sources for high power gyrotron tubes and free electron masers. Appl. Surface Sci. 111:1997;106-120.
13. Alberti S., Arnold A., Borie E., Dammertz G., Erckmann V., Garin P., Giguet E., Illy S., Le Cloarec G., Le Goff Y., Magne R., Michel G., Piosczyk B., Thumm M., Tran C., Tran M.Q., Wagner D. European high-power CW gyrotron development for ECRH systems. Fus. Eng. Design. 53:2001;387-397.
14. Zapevalov V.E., Denisov G.G., Flyagin V.A., Fix A.Sh., Kuftin A.N., Litvak A.G., Agapova M.V., Iljin V.N., Khmara V.A., Myasnikov V.E., Nichiporenko V.O., Popov L.G., Usachev S.V., Alikaev V.V., Iljin V.I. Development of 170 GHz/1 MW Russian gyrotron for ITER. Fus. Eng. Design. 53:2001;377-385.
15. Sakamoto K., Kasugai A., Tsuneoka M., Takahashi K., Imai T. High power 170 GHz gyrotron with synthetic diamond window. Rev. Sci. Instrum. 70:1999;208-212.
16. Dumbrajs O., Thumm M., Pretterebner J., Wagner D. A cavity with reduced mode conversion for gyrotrons. Int. J. Infrared Millimeter Waves. 13:1992;825-840.
17. Möbius A., Thumm M. Edgcombe C. Gyrotron Output Launchers and Output Tapers, Gyrotron Oscillators - Their Principles and Practice. 1993;179-222 Taylor & Francis, London. Chapter 7.
18. Thumm M. Cairns R.A., Phelps A.D.R. Modes and Mode Conversion in Microwave Devices, Generation and Application of High Power Microwaves. 1997;121-171 Institute of Physics Publishing, Bristol and Philadelphia.
19. Vlasov S.N., Zagryadskaya L.I., Petelin M.I. Transformation of a whispering gallery mode, propagating in a circular waveguide into beam of waves. Radio Eng. Electron Phys. 20:1975;14-17.
20. Denisov G.G., Kuftin A.N., Malygin V.I., Venediktov N.P., Vinogradov D.V., Zapevalov V.E. 110 GHz gyrotron with built-in high efficiency converter. Int. J. Electronics. 72:1992;1079-1091.
21. Piosczyk B., Braz O., Dammertz G., Iatrou C.T., Illy S., Kuntze M., Michel G., Thumm M. 165 GHz, 1.5 MW-coaxial gyrotron with depressed collector. IEEE Trans. Plasma Sci. 27:1999;484-489.
22. G.G. Denisov, In: A.G. Litvak (Ed.), Development of 1 MW output power level gyrotrons for fusion systems, Int. Workshop on Strong Microwaves in Plasmas, Nizhny Novgorod 1999, Russian Academy of Sciences, vol. II, 2000, pp. 967-986.
23. Piosczyk B., Braz O., Dammertz G., Iatrou C.I., Illy S., Kuntze M., Michel G., Möbius A., Thumm M., Flyagin V.A., Khishnyak V.I., Pavelyev A.B., Zapevalov V.E. Coaxial cavity gyrotron with dual rf beam output. IEEE Trans. Plasma Sci. 26:1998;393-401.
24. V.E. Mjasnikov, M.V. Agapova, V.V. Alikaev, A.S. Borshchegovsky, G.G. Denisov, V.A. Flyagin, A.Sh. Fix, V.I. Ilyin, V.N. Ilyin, A.P. Keyer, V.A. Khmara, D.V. Khmara, A.N. Kostyna, V.O. Nichiporenko, L.G. Popov, V.E. Zapevalov, in: A.G. Litvak (Ed.), Megawatt power level long-pulses 110 GHz and 140 GHz gyrotrons, Int. Workshop on Strong Microwaves in Plasmas, Nizhny Novgorod (1996), vol. II, Russian Academy of Sciences, 1997, pp. 577-598.
25. Bogdashov A.A., Chirkov A.V., Denisov G.G., Vinogradov D.V., Kuftin A.N., Malygin V.I., Zapevalov V.E. Mirror synthesis for quasi-optical mode converters. Int. J. Infrared Millimeter Waves. 16:1995;735-743.
26. Y. Hirata, Y. Mitsunaka, K. Hayashi, Y. Itoh, Wave-beam shaping using multiple phase-correction mirrors, IEEE Trans. on Microwave Theory and Techniques MTT-45 (1997) 72-77.
27. Michel G., Thumm M. Spectral domain techniques for field pattern analysis and synthesis. Surv. Math. Ind. 1999;259-270.
28. Denison D.R., Chu T.S., Shapiro M.A., Temkin R.J. Gyrotron internal mode converter reflector shaping from measured field intensity. IEEE Trans. Plasma Sci. 27:1999;512-519.
29. G.G. Denisov, V.E. Zapevalov, Megaeatt gyrotrons for fusion research state of the art and tendencies of development, 5th Int. Workshop on Strong Microwaves in Plasmas, Nizhny Novgorod, Russia, 2002, p. S3.
30. Thumm M. Advanced electron cyclotron heating systems for next-step fusion experiments. Fus. Eng. Design. 30:1995;139-170.
31. Thumm M. MPACVD-diamond windows for high-power and long-pulse millimeter wave transmission. Diamond Related Mater. 10:2001;1692-1699.
32. R. Heidinger, G. Dammertz, L. Steinbock, M. Thumm, Characteristics of the light emission from CVD diamond windows, 12th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating (ECE 2002), Aix-en-Provence, France, May 13-16, 2002.
33. T.S. Chu, M. Blank, P. Borchard, P. Cahalan, S. Cauffman, K. Felch, H. Jory, Operation of a 500 kW, 84 GHz, long pulse gyrotron with collector potential depression, Proc. 27th Int. Conf. on Infrared and Millimeter Waves, San Diego, USA, 2002, pp. 5-6.
34. K. Sakamoto, A. Kasugai, Y. Ikeda, K. Hayashi, K. Takahashi, M. Tsuneoka, T. Kariya, Y. Mitsunaka, T. Imai, Development of 170 GHz and 110 GHz gyrotron for fusion application. Proc. 3rd IEEE Int. Vacuum Electronics Conf. (IVEC 2002), Monterey, USA, 2002, pp. 336-337.
35. Dammertz G., Alberti S., Arnold A., Borie E., Erckmann V., Gantenbein G., Giguet E., Heidinger R., Hogge J.P., Illy S., Kasparek W., Koppenburg K., Kuntze M., Laqua H.P., LeCloarec G., LeGoff Y., Leonhardt W., Liévin C., Magne R., Michel G., Müller G., Neffe G., Piosczyk B., Schmid M., Schwoerer K., Thumm M., Tran M.Q. Development of a 140 GHz, 1 MW continuous wave gyrotron for the W7-X stellarator. IEEE Trans. Plasma Sci. 30:2002;808-818.
36. 31,8 mode using depressed collector. Jpn. J. Appl. Phys. 40:2002;L906-L908.
37. V.E. Myasnikov, A.G. Litvak, S.V. Usachev, L.G. Popov, M.V. Agapova, V.V. Alikaev, G.G. Denisov, A.Ph. Gnedenkov, V.I. Ilyin, V.N. Ilyin, D.V. Khmara, A.N. Kostyna, V.O. Nichiporenko, V.E. Zapevalov, Development of 170 GHz gyrotron for ITER, Proc. 3rd IEEE Int. Vacuum Electronics Conf. (IVEC 2002), Monterey, USA, 2002, pp. 334-335.
38. G. Dammertz, S. Alberti, D. Fasel, E. Giguet, K. Koppenburg, M. Kuntze, F. Legrand, W. Leonhardt, C. Lievin, G. Müller, G. Neffe, B. Piosczyk, M. Schmid, A. Sterk, M. Thumm, M.Q. Tran, A.G.A. Verhoeven, Power modulation capabilities of the 140 GHz/1 MW gyrotron for the stellarator Wendelstein 7-X, 22nd Symp. on Fus. Techn. (SOFT), Helsinki, 2002, p. C5.
39. Vlasov S.N., Zagryadskaya L.I., Orlova I.M. Open coaxial resonators for gyrotrons. Radio Eng. Electron. Phys. 21:1976;96-102.
40. Zapevalov V.E., Pavelyev A.B., Khizhnyak V.I. Experimental test of the natural scheme of electron beam energy recovery in a coaxial gyrotron. Radiophysics Quantum Electronics. 43:2000;671-674.
41. V.E. Zapevalov, V.I. Khizhnyak, M.A. Moiseev, A.B. Pavelyev, N.I. Zavolsky, Advanced coaxial cavity gyrotrons, 27th Int. Conf. On Infrared and Millimeter Waves, USA, 2002, pp. 335-336.
42. Piosczyk B., Arnold A., Dammertz G., Dumbrajs O., Kuntze M., Thumm M.K. Coaxial cavity gyrotron - recent experimental results. IEEE Trans. Plasma Sci. 30:2002;819-827.
43. Piosczyk B. A novel 4.5 MW electron gun for a coaxial gyrotron. IEEE Trans. Electron Dev. 48:(12):2001;2938-2944.
44. B. Piosczyk, A. Arnold, H. Budig, G. Dammertz, O. Dumbrajs, O. Drumm, M.V. Kartikeyan, M. Kuntze, M. Thumm, X. Yang, Towards a 2 MW, CW, 170 GHz coaxial cavity gyrotron for ITER, 22nd Symp. on Fusion Technology (SOFT), Helsinki, 2002, p. C4.
45. O. Dumbrajs, B. Piosczyk, C.T. Iatrou, Mode selection for a 2 MW, CW 170 GHz coaxial cavity gyrotron, 26th Int. Conf. on Infrared and Millimeter Waves, France, 2001, p. 29.
46. B. Piosczyk, A 2.2 MW, CW collector for a coaxial cavity gyrotron, 26th Int. Conf. on Infrared and Millimeter Waves, France, 2001, p. 50.
47. Thumm M., Arnold A., Borie E., Braz O., Dammertz G., Dumbrajs O., Koppenburg K., Kuntze M., Michel G., Piosczyk N. Frequency step-tunable (114-170 GHz) megawatt gyrotrons for plasma physics applications. Fus. Eng. Design. 53:2001;407-421.
48. V.E. Zapevalov, A.A. Bogdashov, A.V. Chirkov, G.G. Denisov, A.N. Kuftin, M.A. Lygin, M.A. Moiseev, Optimization of the frequency step tunable 105-170 GHz 1 MW gyrotron prototype, Proc. 27th Int. Conf. on Infrared and Millimeter Waves, USA, 2002, pp. 1-2.
49. F. Leuterer, K. Kirov, F. Monaco, M. Münich, H. Schütz, F. Ryter, D. Wagner, R. Wilhelm, H. Zohm, T. Franke, K. Voigt, M. Thumm, R. Heidinger, G. Dammertz, K. Koppenburg, W. Kasparek, G. Gantenbein, H. Hailer, G.A. Müller, A. Bogdashov, G. Denisov, V. Kurbatov, A. Kuftin, A. Litvak, S. Malygin, E. Tai, V. Zapevalov, Plans for a new ECRH system at ASDEX Upgrade, 22nd Symp. on Fusion Technology (SOFT), Helsinki, 2002, p. C17.
50. Koppenburg K., Dammertz G., Kuntze M., Piosczyk B., Thumm M. Fast frequency-step-tunable high-power gyrotron with hybrid-magnet-system. IEEE Trans. Electron Dev. 48:2001;101-107.
51. Piosczyk B., Arnold A., Dammertz G., Kuntze M., Michel G., Lamba O.S., Thumm M.K. Step-frequency operation of a coaxial cavity from 134 to 169.5 GHz. IEEE Trans. Plasma Sci. 28:2000;918-923.