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  1. プロシーディングス

Development of a Multialkali Photocathode DC Gun for High Current Operation

https://repo.qst.go.jp/records/54957
https://repo.qst.go.jp/records/54957
e872b91c-7af0-4fc0-b7d0-5e06a8fc1eed
Item type 会議発表論文 / Conference Paper(1)
公開日 2019-01-10
タイトル
タイトル Development of a Multialkali Photocathode DC Gun for High Current Operation
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_5794
資源タイプ conference paper
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 西森, 信行

× 西森, 信行

WEKO 561972

西森, 信行

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羽島, 良一

× 羽島, 良一

WEKO 561973

羽島, 良一

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永井, 良治

× 永井, 良治

WEKO 561974

永井, 良治

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沢村, 勝

× 沢村, 勝

WEKO 561975

沢村, 勝

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西森 信行

× 西森 信行

WEKO 561976

en 西森 信行

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羽島 良一

× 羽島 良一

WEKO 561977

en 羽島 良一

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永井 良治

× 永井 良治

WEKO 561978

en 永井 良治

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沢村 勝

× 沢村 勝

WEKO 561979

en 沢村 勝

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抄録
内容記述タイプ Abstract
内容記述 We have developed a DC gun test stand at National Institutes for Quantum Radiological Science and Technology (QST) for high current electron beam generation. The gun test stand consists of an alkali antimonide photocathode preparation chamber, a DC gun with a 250kV-50mA Cockcroft Walton high voltage power supply, and beam line with a water cooled beam dump to accommodate 1.5 kW beam power. We successfully fabricated a Cs₃Sb photocathode with quantum efficiency of 5.8 % at 532 nm wavelength and generated 150 keV beam with current up to 4.3 mA with 500 mW laser at 532 nm wavelength. Unfortunately, we encountered a vacuum incident during beam transport of high current beam and the development has been halted. We will fix the vacuum problem and restart the gun development as soon as possible.
書誌情報 Proceedings of ERL17, the 59th ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs

発行日 2019-01
DOI
識別子タイプ DOI
関連識別子 10.18429/JACoW-ERL2017-MOPSPP015
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