Study of strong enhancement of synchrotron radiation via surface plasma waves excitation by particle-in-cell simulations

被引：10
|
作者：
Pan, K. Q. [1 ,2 ]
Zheng, C. Y. [1 ,2 ,3 ]
Wu, Dong [4 ]
Cao, L. H. [1 ,2 ,3 ]
Liu, Z. J. [3 ]
He, X. T. [1 ,2 ,3 ]
机构：
[1] Peking Univ, Ctr Appl Phys & Technol, Beijing 100871, Peoples R China
[2] Peking Univ, Key Lab High Energy Dens Phys Simulat, Minist Educ, Beijing 100871, Peoples R China
[3] Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China
[4] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 18期
基金：
中国国家自然科学基金;
关键词：
LASER; GENERATION;
D O I：
10.1063/1.4935153
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Synchrotron radiation is strongly enhanced by the resonant excitation of surface plasma waves (SPWs). Two-dimensional particle-in-cell simulations show that energy conversion efficiency from laser to radiation in the case of SPWs excitation is about 18.7%, which is improved by more than 2 orders of magnitude compared with that of no SPWs excitation. Besides the high energy conversion efficiency, the frequency spectrum and the angular distribution of the radiation are also improved in the case of SPWs excitation because of the quasi-static magnet field induced by surface plasma waves excitation. (C) 2015 AIP Publishing LLC.
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页数：4
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