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	Influence of overcoat on laser-induced damage threshold of 532 and 800 nm tio2/sio2 high reflectors
	Yao, Jianke1,2; Fan, Zhengxiu1; He, Hongbo1; Shao, Jianda1
刊名	Optik
	2009
卷号	120期号:11页码:509-513
关键词	Overcoat Tio2/sio2 high reflectors Laser damage
ISSN号	0030-4026
DOI	10.1016/j.ijleo.2007.12.010
通讯作者	Yao, jianke(yjk@siom.ac.cn)
英文摘要	Tio2/sio2 high reflectors with and without a sio2 overcoat are deposited by electron-beam evaporation. the film properties are characterized by visible spectrometry measures, structure analysis, roughness and laser-induced damage threshold (lidt) tests, surface defects and damage morphology observation. the effects of overcoats on lidt at 532 nm, 8 ns and 800 nm, 220 ps laser pulses are investigated. the relations between film structure, roughness, surface defects, electric field and lidt are discussed. it is found that overcoats can increase the lidt at these two laser wavelengths. the reduction of peak temperature, the low defects density and roughness, the low intrinsic absorption of sio2 and its amorphous structure are the main reasons for lidt improvement by overcoats. (c) 2008 elsevier gmbh. all rights reserved.
WOS研究方向	Optics
WOS类目	Optics
语种	英语
出版者	ELSEVIER GMBH, URBAN & FISCHER VERLAG
WOS记录号	WOS:000267461900001
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2401103
专题	中国科学院大学
通讯作者	Yao, Jianke
作者单位	1.Shanghai Inst Opt & Fine Mech, R&D Ctr Opt Thin Film Coatings, Shanghai 201800, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China
推荐引用方式 GB/T 7714	Yao, Jianke,Fan, Zhengxiu,He, Hongbo,et al. Influence of overcoat on laser-induced damage threshold of 532 and 800 nm tio2/sio2 high reflectors[J]. Optik,2009,120(11):509-513.
APA	Yao, Jianke,Fan, Zhengxiu,He, Hongbo,&Shao, Jianda.(2009).Influence of overcoat on laser-induced damage threshold of 532 and 800 nm tio2/sio2 high reflectors.Optik,120(11),509-513.
MLA	Yao, Jianke,et al."Influence of overcoat on laser-induced damage threshold of 532 and 800 nm tio2/sio2 high reflectors".Optik 120.11(2009):509-513.

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