Generation of quasi-monoenergetic electron beams with small normalized divergences angle from a 2 TW laser facility

	Generation of quasi-monoenergetic electron beams with small normalized divergences angle from a 2 TW laser facility
	Li DZ(李大章); Li, DZ; Yan, WC; Chen, LM; Huang, K; Ma, Y; Zhao, JR; Zhang, L; Hafz, N; Wang, WM
刊名	OPTICS EXPRESS
	2014
卷号	22 期号:11 页码:12836-12844
英文摘要	We report the generation of a 6 pC, 23 MeV electron bunch with the energy spread +/- 3.5% by using 2 TW, 80 fs high contrast laser pulses interacting with helium gas targets. Within the optimized experimental condition, we obtained quasi-monoenergetic electron beam with an ultrasmall normalized divergence angle of 92 mrad, which is at least 5 times smaller than the previous LPA-produced bunches. We suggest the significant decrease of the normalized divergence angles is due to smooth transfer from SM-LWFA to LWFA. Since the beam size in LPA is typically small, this observation may explore a simple way to generate ultralow normalized emittance electron bunches by using small-power but high-repetition-rate laser facilities. (C) 2014 Optical Society of America
学科主题	Optics
收录类别	SCI
WOS记录号	WOS:000337501600013
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/225238]
专题	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Li DZ,Li, DZ,Yan, WC,et al. Generation of quasi-monoenergetic electron beams with small normalized divergences angle from a 2 TW laser facility[J]. OPTICS EXPRESS,2014,22(11):12836-12844.
APA	李大章.,Li, DZ.,Yan, WC.,Chen, LM.,Huang, K.,...&Zhang, J；高杰.(2014).Generation of quasi-monoenergetic electron beams with small normalized divergences angle from a 2 TW laser facility.OPTICS EXPRESS,22(11),12836-12844.
MLA	李大章,et al."Generation of quasi-monoenergetic electron beams with small normalized divergences angle from a 2 TW laser facility".OPTICS EXPRESS 22.11(2014):12836-12844.