Research and development of 2-frequency (110/138 GHz) FADIS for JT-60SA ECHCD system

H. Idei; S. Moriyama; T. Kobayashi; A. Isayama; M. Sakaguchi; W. Kasparek

doi:10.1051/epjconf/20158704009

Research and development of 2-frequency (110/138 GHz) FADIS for JT-60SA ECHCD system

H. Idei, S. Moriyama, T. Kobayashi, A. Isayama, M. Sakaguchi, W. Kasparek

Research output: Contribution to journal › Conference article

Abstract

A FAst DIrectional Switch (FADIS) of 2-frequency (2-f{hook}) gyrotron system for the JT-60SA project is being developed under collaboration between Japan Atomic Energy Agency (JAEA) and Kyushu University. At first, the frequency drift and dip in the gyrotron operation were measured to consider which kind of FADIS is preferred for application in the Electron Cyclotron Heating and Current Drive (ECHCD) system for the JT- 60SA. Various types of the FADIS have been considered. A square corrugated waveguide diplexer system with double resonant rings was considered as one of the most attractive FADIS systems for stable high-power and long-pulse operations in the 2-f{hook} JT-60SA ECHCD system.

Original language	English
Article number	04009
Journal	EPJ Web of Conferences
Volume	87
DOIs	https://doi.org/10.1051/epjconf/20158704009
Publication status	Published - Mar 12 2015
Event	18th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, EC 2014 - Nara, Japan Duration: Apr 22 2014 → Apr 25 2014

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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Idei, H., Moriyama, S., Kobayashi, T., Isayama, A., Sakaguchi, M., & Kasparek, W. (2015). Research and development of 2-frequency (110/138 GHz) FADIS for JT-60SA ECHCD system. EPJ Web of Conferences, 87, [04009]. https://doi.org/10.1051/epjconf/20158704009

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title = "Research and development of 2-frequency (110/138 GHz) FADIS for JT-60SA ECHCD system",

abstract = "A FAst DIrectional Switch (FADIS) of 2-frequency (2-f{hook}) gyrotron system for the JT-60SA project is being developed under collaboration between Japan Atomic Energy Agency (JAEA) and Kyushu University. At first, the frequency drift and dip in the gyrotron operation were measured to consider which kind of FADIS is preferred for application in the Electron Cyclotron Heating and Current Drive (ECHCD) system for the JT- 60SA. Various types of the FADIS have been considered. A square corrugated waveguide diplexer system with double resonant rings was considered as one of the most attractive FADIS systems for stable high-power and long-pulse operations in the 2-f{hook} JT-60SA ECHCD system.",

author = "H. Idei and S. Moriyama and T. Kobayashi and A. Isayama and M. Sakaguchi and W. Kasparek",

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doi = "10.1051/epjconf/20158704009",

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T1 - Research and development of 2-frequency (110/138 GHz) FADIS for JT-60SA ECHCD system

AU - Idei, H.

AU - Moriyama, S.

AU - Kobayashi, T.

AU - Isayama, A.

AU - Sakaguchi, M.

AU - Kasparek, W.

PY - 2015/3/12

Y1 - 2015/3/12

N2 - A FAst DIrectional Switch (FADIS) of 2-frequency (2-f{hook}) gyrotron system for the JT-60SA project is being developed under collaboration between Japan Atomic Energy Agency (JAEA) and Kyushu University. At first, the frequency drift and dip in the gyrotron operation were measured to consider which kind of FADIS is preferred for application in the Electron Cyclotron Heating and Current Drive (ECHCD) system for the JT- 60SA. Various types of the FADIS have been considered. A square corrugated waveguide diplexer system with double resonant rings was considered as one of the most attractive FADIS systems for stable high-power and long-pulse operations in the 2-f{hook} JT-60SA ECHCD system.

AB - A FAst DIrectional Switch (FADIS) of 2-frequency (2-f{hook}) gyrotron system for the JT-60SA project is being developed under collaboration between Japan Atomic Energy Agency (JAEA) and Kyushu University. At first, the frequency drift and dip in the gyrotron operation were measured to consider which kind of FADIS is preferred for application in the Electron Cyclotron Heating and Current Drive (ECHCD) system for the JT- 60SA. Various types of the FADIS have been considered. A square corrugated waveguide diplexer system with double resonant rings was considered as one of the most attractive FADIS systems for stable high-power and long-pulse operations in the 2-f{hook} JT-60SA ECHCD system.

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