Development of 7 T cryogen-free superconducting magnet for gyrotron

IEEE Transactions on Applied Superconductivity

Volumn 18, Issue 2, 2008, Pages 920-923

  Hirose, R ^a   Kamikado, T ^a   Okui, Y ^a   Miyata, H ^a   Shibutani, K ^a   Ozaki, O ^b   Sakamoto, K ^c  

^a Japan Superconductor Technology   (Japan)

^b KOBE STEEL LTD   (Japan)

^c JAPAN ATOMIC ENERGY AGENCY   (Japan)

Author keywords

Cryogen free; Gyrotron; ITER; Superconducting magnet

Indexed keywords

ACCELERATOR MAGNETS; COMPUTER NETWORKS; ELECTRIC CONDUCTIVITY; ELECTROMAGNETS; ELECTRON GUNS; GUNS (ARMAMENT); GYROTRONS; MAGNETIC FIELDS; MAGNETIC MATERIALS; MAGNETISM; MAGNETS; NIOBIUM; SUPERCONDUCTIVITY; TUBES (COMPONENTS);

AC LOSSES; CRYOGEN FREE; ELECTRON TRAJECTORIES; GYROTRON; MAGNET SYSTEMS; MAGNETIC (CE);

SUPERCONDUCTING MAGNETS;

EID: 45149114835     PISSN: 10518223     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASC.2008.922296     Document Type: Conference Paper

References (6)

1. G. B. Ferguson et al, "Superconducting magnets for 60 to 140 GHz gyrotrons," Fusion Eng. Des., vol. 20, p. 311, 1993.
2. K. Sakamoto et al, "Achievement of robust high-efficiency 1 MW oscillation in the hard-self-excitation region by a 170 GHz continuouswave gyrotron," Nature Physics, vol. 3, p. 411, June 2007.
3. K. Koppenburg et al, "Fast frequency-step-tunable high-power gyrotron with hybrid-magnet-system," IEEE Trans. Electron Devices, vol. 48, no. 1, p. 101, 2001.
4. K. Shibutani et al, "Development of cryogen-ree superconducting magnet, profiles of Heless family," in Proc. of Electromagnetic Processing of Materials in the 3rd Millennium, Chamonix, 2001, p. 89.
5. N. Sato et al, "Fabrication of liquid helium-free superconducting magnet for millimeter wave gyrotron," Int. J. Infrared Millim. Waves, vol. 20, no. 6, p. 979, 1999.
6. R. Hirose et al, "Development of 15 T cryogen-free superconducting magnets," IEEE Trans. Appl. Supercond., vol. 16, p. 953, 2006.