典型文献
High-brightness photo-injector with standing-wave buncher-based ballistic bunching scheme for inverse Compton scattering light source
文献摘要：
We report our recent progress in the design and simulation of a high-brightness S-band photo-injector with a ballistic bunching scheme aimed at driving an inverse Compton scattering(ICS)X-ray source.By adding a short standing-wave buncher between the RF gun and first booster in a conventional S-band photo-injector,electron bunches with a 500 pC charge can be compressed to the sub-picosecond level with very limited input RF power and an unchanged basic layout of the photo-injector.Beam dynamics analysis indicates that fine tuning of the focusing strength of the gun and linac solenoid can well balance additional focusing provided by the standing wave buncher and generate a well-compensated transverse emittance.Thorough bunching dynamics simulations with different operating conditions of the buncher show that a buncher with more cells and a moderate gradient is suitable for simultaneously obtaining a short bunch duration and low emittance.In a typical case of a 9-cell buncher with a 38 MV/m gradient,an ultrashort bunch duration of 0.5 ps(corresponding to a compression ratio of＞5)and a low emittance of＜1 mm·mrad can be readily obtained for a 500 pC electron pulse.This feasible ballistic bunching scheme will facilitate the implementation of an ultrashort pulse mode inverse Compton scattering X-ray source on most existing S-band photo-injectors.
文献关键词：
中图分类号：
作者姓名：
Jian-Xin Wang;Kui Zhou;Peng Li;De-Xin Xiao;Li-Jun Shan;Xu-Ming Shen;Yu Liu;Zheng Zhou;Han-Bin Wang;Dai Wu
作者机构：
Institute of Applied Electronics,China Academy of Engineering Physics,Mianyang 621900,China
文献出处：
引用格式：
[1]Jian-Xin Wang;Kui Zhou;Peng Li;De-Xin Xiao;Li-Jun Shan;Xu-Ming Shen;Yu Liu;Zheng Zhou;Han-Bin Wang;Dai Wu-.High-brightness photo-injector with standing-wave buncher-based ballistic bunching scheme for inverse Compton scattering light source)[J].核技术（英文版）,2022(04):51-61
A类：
buncher,Thorough
B类：
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AB值：
0.496183
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