HIGH-POWER AND LONG-PULSE GYROTRON DEVELOPMENT IN JAERI

Authors
KASUGAI A SAKAMOTO K TSUNEOKA M MAEBARA S NAGASHIMA T IMAI T KARIYA T OKAZAKI Y SHIRAI N OKAMOTO T HAYASHI K MITSUNAKA Y KOMURO M
Citation
A. Kasugai et al., HIGH-POWER AND LONG-PULSE GYROTRON DEVELOPMENT IN JAERI, Fusion engineering and design, 26(1-4), 1995, pp. 281-286
Citations number
18
Categorie Soggetti
Nuclear Sciences & Tecnology
Journal title
Fusion engineering and design → ACNP
ISSN journal
09203796
Volume
26
Issue
1-4
Year of publication
1995
Pages
281 - 286
Database
ISI
SICI code
0920-3796(1995)26:1-4<281:HALGDI>2.0.ZU;2-7
Abstract
A maximum pulse duration of 1.3 s was achieved with a power of 410 kW at a frequency of 110 GHz and a maximum power of 550 kW was obtained w ith short-pulse operations (ca. 2 ms). The oscillation mode of the gyr otron is the TE(22,2) whispering gallery mode, which is transformed in to a gaussian-like beam by a built-in quasi-optical mode converter. R. f. power is extracted through a sapphire double-disc window cooled by FC-75. In long-pulse operation, no damage was observed in the gyrotron .