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Development of 28 GHz and 77 GHz, mega-watt gyrotrons for fusion devices

Abstract:

A 28 GHz 1 MW with TE 8,3 cavity for GAMMA10 tandem mirror and a 77 GHz 1.5 MW gyrotron with TE 18,6 for Large Helical Device (LHD) have been developed to upgrade their Electron Cyclotron Heating (ECH) systems. In the 28 GHz gyrotron, the maximum power of 1.05 MW was obtained, which is in agreement with its design target value. And the high efficiency of 40% without collector potential depression (CPD) was obtained with 0.8 MW. In the first and second 77 GHz gyrotrons, 0.8 MW 3.6 sec., 0.3 MW...

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Publisher copy:
10.1007/s10762-010-9727-8

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Journal:
Journal of Infrared, Millimeter, and Terahertz Waves
Volume:
32
Issue:
3
Pages:
295-310
Publication date:
2011-03-05
DOI:
EISSN:
1866-6906
ISSN:
1866-6892
URN:
uuid:6321a3ab-7cfb-4234-9b23-45ea571755fc
Source identifiers:
303477
Local pid:
pubs:303477
Language:
English
Keywords:

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