Status of optical diffraction radiation experiment at KEK-ATF extraction line

P. Karataev, S. Araki, R. Hamatsu, H. Hayano, T. Hirose, T. Muto, G. Naumenko, A. Potylitsyn, J. Urakawa

研究成果: ジャーナルへの寄稿会議記事査読

5 被引用数 (Scopus)

抄録

At KEK-ATF extraction line detailed investigation of backward optical diffraction radiation (ODR) and its implementation to transversal beam parameter diagnostics is planned. We designed and constructed a target chamber with a precise target movement mechanism, a precise laser alignment system and an optical system. The first step to achieve success in the experiment is the tuning of the optical system using backward optical transition radiation (OTR). We believe that, if we are able to measure OTR spectral-angular characteristics with a proper accuracy, we may obtain good results for ODR measurements as the OTR effect is well experimentally and theoretically studied. Therefore, the first stage of our experiment assumes the measurements of backward OTR to analyze all possible types of radiation coming from the target, which could be obstacles for the ODR measurements. In the first series of experiments we have found that the angular distribution of the detected optical radiation is strongly asymmetric. One of the possible reasons for the asymmetry is the synchrotron radiation contribution from bending or steering magnets.

本文言語英語
ページ(範囲)140-152
ページ数13
ジャーナルNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
201
1
DOI
出版ステータス出版済み - 2003 1月
イベントRREPS 2001 - Lake Aya, ロシア連邦
継続期間: 2001 9月 12001 9月 1

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