Referenced Items are not available for this document.
A high-power long-pulse 140-GHz gyrotron oscillator has been designed, constructed, and tested. Key features of the gyrotron include an internal converter to transform the TE28,7,1 operating mode to a Gaussian output beam, a single-stage-depressed collector, and a chemical-vapor-deposition diamond output window. Peak output powers up to 930 kW at 34% efficiency have been demonstrated at 5-ms pulse lengths. Due to power supply limitations, long-pulse operation was not possible for beam currents above 25 A. At 25-A beam current and 500-kW output power, pulse lengths up to 700 s in duration were achieved. The gyrotron has been shipped to the Wendelstein 7-X facility in Greifswald, Germany, where long-pulse demonstrations up to 180s will be carried out at the 930-kW power level.
Published in:
Plasma Science, IEEE Transactions on
(Volume:32
,
Issue:
3
)
Date of Publication: June 2004
- Page(s):
- 867 - 876
- ISSN :
- 0093-3813
- INSPEC Accession Number:
- 8085370
- Digital Object Identifier :
- 10.1109/TPS.2004.828815
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 09 August 2004
- Issue Date :
- June 2004
- Sponsored by :
- IEEE Nuclear and Plasma Sciences Society
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