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

WU Dai; YANG Ren-Jun; BAI Wei; LI Peng; LI Ming; YANG Xing-Fan

doi:10.1088/1674-1137/37/10/108101

Chinese Physics C> 2013, Vol. 37> Issue(10) : 108101 DOI: 10.1088/1674-1137/37/10/108101

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

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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.

References

[1]

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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

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Received: 2012-12-12
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Corresponding author: WU Dai,

Received Date: 2012-12-12

Accepted Date: 1900-01-01

Available Online: 2013-10-05

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

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