Parameter optimization and start-to-end simulation for the phase-merging enhanced harmonic generation free electron laser
Qi, Z; Feng, C; Deng, HX; Liu, B; Zhao, ZT
2017
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN0168-9002
卷号875期号:-页码:119-124
文章类型期刊论文
摘要Recently, a novel scheme called the phase-merging enhanced harmonic generation (PEHG) free-electron laser (FEL) has been developed to achieve higher harmonic bunching in a single stage set up. However, previous studies of the PEHG mechanism ignored the practical lattice configuration, leaving out the impact of the intrinsic beam divergence on the phase-merging effect. In this paper, a new method based on the beam transport matrix is proposed to comprehensively study the optimization conditions of the harmonic generation FELs. On the basis of this method, the new optimization conditions of the PEHG are obtained by taking into account both the intrinsic horizontal beam size and the intrinsic horizontal beam divergence. The parameter optimization and three dimensional start-to-end simulations are carried out using the typical beam parameters of the Shanghai Soft X-ray Free Electron Laser user facility. The simulation results are in agreement with the theoretical analysis and demonstrate the validity of the PEHG-FEL. (C) 2017 Elsevier B. V. All rights reserved.
DOI10.1016/j.nima.2017.08.059
收录类别SCI
语种英语
WOS记录号WOS:000413257100016
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28766
专题中科院上海应用物理研究所2011-2018年
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Qi, Z,Feng, C,Deng, HX,et al. Parameter optimization and start-to-end simulation for the phase-merging enhanced harmonic generation free electron laser[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2017,875(-):119-124.
APA Qi, Z,Feng, C,Deng, HX,Liu, B,&Zhao, ZT.(2017).Parameter optimization and start-to-end simulation for the phase-merging enhanced harmonic generation free electron laser.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,875(-),119-124.
MLA Qi, Z,et al."Parameter optimization and start-to-end simulation for the phase-merging enhanced harmonic generation free electron laser".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 875.-(2017):119-124.
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