Design study of an improved laser wire system for electron beam measurement

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WU Dai, YANG Ren-Jun, BAI Wei, LI Peng, LI Ming and YANG Xing-Fan. Design study of an improved laser wire system for electron beam measurement[J]. Chinese Physics C, 2013, 37(10): 108101. doi: 10.1088/1674-1137/37/10/108101
WU Dai, YANG Ren-Jun, BAI Wei, LI Peng, LI Ming and YANG Xing-Fan. Design study of an improved laser wire system for electron beam measurement[J]. Chinese Physics C, 2013, 37(10): 108101.  doi: 10.1088/1674-1137/37/10/108101 shu
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Received: 2012-12-12
Revised: 1900-01-01
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Design study of an improved laser wire system for electron beam measurement

    Corresponding author: WU Dai,

Abstract: The laser wire (LW) method has been demonstrated to be an effective non-interceptive technique for measuring transverse profile and emittance of electron beams in colliders, storage rings and dumping rings. In this paper, we present an improved design of high repetition LW system for high average power free electron lasers (HAP FELs) and energy recovery linacs (ERLs). This improved LW utilizes the excess power of the photocathode drive laser, thus making itself much cheaper and simpler. The system main parameters are optimized with numerical calculations and Monte Carlo simulations, indicating that resolutions would be better than 100 μm and scanning time less than 1 minute. Status of the experiment preparation is also presented.

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