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Development and operation of the JAERI superconducting energy recovery linacs

原研超伝導エネルギー回収型リニアック開発と運転

峰原 英介

Minehara, Eisuke

原研は世界で現在運転中の2台のエネルギー回収型リニアック(ERL)の一つを独力で開発し、もう1台の施設であるジェファーソン国研のERLとともに世界のERL開発及び将来のERL応用研究を切り開いてきた。現在のアップグレード開発研究と応力腐食割れ防止技術開発研究、さらにERLの主要開発要素でもある光陰極,電子励起陰極などの大電流光電子銃技術に関して報告する。

The JAERI FEL facility at Tokai, Ibaraki, Japan has been well known one of the two existing and operating superconducting energy recovery linacs together with one more of JLAB (Jefferson national accelerator facility) FEL facility at Newport News, Virginia, U.S.A. We have independently and successfully developed one of the most advanced and newest accelerator technologies named "superconducting energy recovery linacs (ERLs)" and the application technologies using ERLs in future. We plan to report the current high power FEL upgrade program research, stress corrosion cracking prevention technology research, large current and high brightness photoelectron gun research of negative-electron affinity (NEA) photocathode and NEA electron-excitation cathode as the most important elemental technology in realizing many powerful ERLs.

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パーセンタイル:47.89

分野:Instruments & Instrumentation

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