The 110-GHz electron cyclotron range of frequency system on JT-60U: Design and operation

Fusion Science and Technology

Volumn 42, Issue 2-3, 2002, Pages 435-451

  Ikeda, Y ^a   Kasugai, A ^a   Moriyama, S ^a   Kajiwara, K ^a   Seki, M ^a   Tsuneoka, M ^a   Takahashi, K ^a   Anno, K ^a   Hamamatsu, K ^a   Hiranai, S ^a   Ikeda, Yu ^a   Imai, T ^a   Sakamoto, K ^a   Shimono, M ^a   Shinozaki, S ^a   Terakado, M ^a   Yamamoto, T ^a   Yokokura, K ^a   Fujii, T ^a  

^a JAPAN ATOMIC ENERGY AGENCY   (Japan)

Author keywords

Antenna; Electron cyclotron range of frequency; Gyrotron

Indexed keywords

ANTENNAS; ELECTRIC LINES; ELECTRIC POTENTIAL; GYROTRONS; MAGNETOHYDRODYNAMICS; PLASMAS; WAVEGUIDES;

COLLECTOR POTENTIAL DEPRESSION; ELECTRON CYCLOTRON RANGE OF FREQUENCY SYSTEM;

FUSION REACTORS;

EID: 0036711185     PISSN: 15361055     EISSN: None     Source Type: Journal    
DOI: 10.13182/FST02-A239     Document Type: Article

References (30)

1. V. ERCKMANN and U. GASPARINO, "Electron Cyclotron Resonance Heating and Current Drive in Toroidal Fusion Plasmas," Plasma Phys. Control. Fusion, 36, 1868 (1994).
2. B. LLOYD, "Overview of ECRH Experimental Results," Plasma Phy. Control. Fusion, 40, A119 (1998).
3. H. ZOHM et al., "Experiments on Neoclassical Tearing Mode Stabilization by ECCD in ASDEX Upgrade," Nucl. Fusion, 39, 577 (1999).
4. K. SAKAMOTO et al., "Development of High Efficiency Gyrotron with Depressed Collector for ECH System," J. Plasma Fusion Res., 71, 1029 (1995).
5. K. SAKAMOTO et al., "High Power 170 GHz Gyrotron with Synthetic Diamond Window," Review of Sci. Inst., 70, 208 (1999).
6. Y. IKEDA et al., "Simple Multijunction Launcher with Oversized Waveguides for Lower Hybrid Current Drive on JT-60U," Fusion Eng. Des., 24, 287 (1994).
7. T. FUJII et al., "Performance of Toroidally Wide-Separation Loop Antennae for JT-60U ICRF Experiments," Fusion Eng. Des., 26, 377 (1995).
8. M. KURIYAMA et al., "High Energy Negative-Ion Based Neutral Beam Injection System for JT-60U," Fusion Eng. Des., 26, 445 (1995).
9. ITER Physics Expert Group on Energetic Particles, Heating and Current Drive, ITER Physics Basis Editors, "Plasma Auxiliary Heating and Current Drive," Nucl. Fusion, 39, 2495 (1999).
10. Y. IKEDA et al., "Initial Results of Electron Cyclotron Range of Frequency (ECRF) Operation and Experiments in JT-60U," Fusion Eng. Des., 53, 351 (2001).
11. S. SHINOZAKI et al., "Operation and Control of JT-60 ECRF System," Proc. 18th Symp. Fusion Engineering, Albuquerque, New Mexico, October 25-29, 1999, p. 403.
12. K. KAJIWARA et al., "High Power and Long Pulse ECRF System in JT-60U," J. Plasma Fusion Res. Series, 3, 372 (2000).
13. N Discharges in JT-60U," Plasma Phys. Control. Fusion, 41, 35 (1999).
14. A. FUKUYAMA, "Research of RF Propagation Analysis for ECRF System," JAERI Entrusted Report, 1998 (in Japanese).
15. K. HAMAMATSU and A. FUKUYAMA, "Controllability of Driven Current Profile in ECCD on ITER," Fusion Eng. Des., 53, 53 (2001).
16. Y. KAMADA et al., "Long Sustainment of JT-60U Plasmas with High Integrated Performance," Nucl. Fusion, 39, 1845 (1999).
17. A. KASUGAI et al., "1MW and Long Pulse Operation of Gaussian Beam Output Gyrotron with CVD Diamond Window for Fusion Devices," Fusion Eng. Des., 53, 399 (2001).
18. M. TSUNEOKA et al., "Development of High Efficiency and Crowber Switchless DC Power Supply for 1MW CW CPD Gyrotron," Int. J. Elect., 86, 233 (1999).
19. J. L. DOANE, "Grating Polarizers in Waveguide Miter Bends," Int. J. Infrared Millim. Waves, 13, 1727 (1992).
20. S. MORIYAMA et al., "Upgrade of ECH System in JT-60U Featuring an Antenna for Toroidal/Poloidal Beam Scan," Proc. 14th Topl. Conf. Radio Frequency Power in Plasmas, Oxnard, California, May 9-11, 2001 (2001).
21. M. TSUNEOKA et al., "Development of DC Power Supply for Gyrotron with Energy Recovery System," Fusion Eng. Des., 36, 461 (1996).
22. H. SHOYAMA et al., "High-Efficiency Oscillation of 170 GHz High-Power Gyrotron at TE31,8 Mode Using Depressed Collector," J. Phys. Soc., 40, L906 (2001)
23. T. IMAI et al., "ITER R&D: Auxiliary Systems: Electron Cyclotron Heating and Current Drive System," Fusion Eng. Des., 55, 281 (2001).
24. K. KAJIWARA et al., "1.2 MW Operation of 110 GHz Gyrotron on the JT-60U ECRF System," Fusion Eng. Des. (to be published).
25. K. TAKAHASHI et al., "High Power Transmission and Polarization Measurement on 110 GHz Transmission Line," Fusion Eng. Des., 53, 511 (2001).
26. Y. IKEDA et al., "ECRF Experiments for Local Heating and Current Drive by Fundamental O-Mode Launch from Low Field Side on JT-60U," Nucl. Fusion, 42, 375 (2002).
27. T. SUZUKI et al., "Measurement of Current Drive by EC Waves in JT-60U," Plasma Phys. Control. Fusion (to be published).
28. A. ISAYAMA et al., "Complete Stabilization of a Tearing Mode in Steady State High-BP H-Mode Discharge by the First Harmonic Electron Cyclotron Heating/Current Drive on JT-60U," Plasma Phys. Control. Fusion, 42, L37 (2000).
29. K. USHIGUSA et al., "ECR Discharge Cleaning by Using LHRF System on JT-60U," Fusion Eng. Des., 45, 137 (1999).
30. K. KAJIWARA et al., "Behavior of Electron Cyclotron Heating Assisted Start-Up on JT-60U," Nucl. Fusion (to be published).