Optimization of Megawatt 77-GHz Gyrotron Operation for Collective Thomson Scattering in LHD
-
- OGASAWARA Shinya
- Department of Energy Engineering and Science, Nagoya University
-
- KUBO Shin
- Department of Energy Engineering and Science, Nagoya University National Institute for Fusion Science
-
- NISHIURA Masaki
- National Institute for Fusion Science
-
- TATEMATSU Yoshinori
- Research Center for Development of FIR, University of Fukui
-
- SAITO Teruo
- Research Center for Development of FIR, University of Fukui
-
- TANAKA Kenji
- National Institute for Fusion Science
-
- SHIMOZUMA Takashi
- National Institute for Fusion Science
-
- YOSHIMURA Yasuo
- National Institute for Fusion Science
-
- IGAMI Hiroe
- National Institute for Fusion Science
-
- TAKAHASHI Hiromi
- National Institute for Fusion Science
-
- ITO Satoshi
- National Institute for Fusion Science
-
- MAKINO Ryohei
- Department of Energy Engineering and Science, Nagoya University
-
- KOBAYASHI Sakuji
- National Institute for Fusion Science
-
- MIZUNO Yoshinori
- National Institute for Fusion Science
-
- OKADA Kohta
- National Institute for Fusion Science
-
- MINAMI Ryutaro
- Plasma Research Center, University of Tsukuba
-
- KARIYA Tsuyoshi
- Plasma Research Center, University of Tsukuba
-
- IMAI Tsuyoshi
- Plasma Research Center, University of Tsukuba
この論文をさがす
抄録
To establish a method for suppressing the spurious radiation that interferes with collective Thomson scattering measurements with less degradation of the main mode output power, the frequency evolution, and the output power of the megawatt 77-GHz gyrotron were measured during operation under optimized parameters. According to a mode competition calculation, the main mode output power may be increased by setting a lower gyrotron anode voltage at a higher magnetic field strength in the gyrotron resonator. Although the output power increased from 300 kW to 530 kW without any spurious radiation when the optimized operational parameters were used, the output power was about 50% of that at a lower magnetic field strength, and thus the output pulse width was limited to 60 ms. When an approach using the optimized operational parameters and a PIN switch was applied, the output power increased to 800 kW without any harmful spurious radiation effect and the pulse width was expanded to 2 s.
収録刊行物
-
- Plasma and Fusion Research
-
Plasma and Fusion Research 8 (0), 2402069-2402069, 2013
一般社団法人 プラズマ・核融合学会
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1390001205254631296
-
- NII論文ID
- 130004685104
-
- NII書誌ID
- AA12346675
-
- ISSN
- 18806821
-
- HANDLE
- 10655/00013500
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- IRDB
- Crossref
- CiNii Articles
- KAKEN
-
- 抄録ライセンスフラグ
- 使用不可