Study on laser damage of optical thin films on zinc-germanium diphosphide crystal induced by inclusion

	Study on laser damage of optical thin films on zinc-germanium diphosphide crystal induced by inclusion
	Hao, M.; G. Lu; L. Wang; L. Qin; H. Zhu and X. Liu
	2015
发表期刊	Zhongguo Jiguang/Chinese Journal of Lasers
卷号	42 期号:6
摘要	The laser damage mechanism for thin films on zinc-germanium diphosphide (ZGP) crystal is studied experimentally and theoretically to enhance the laser induced damage threshold (LIDT). ZGP which grows at one time is cut into 6 pieces, and is grinded and polished simultaneously. Four of the samples are coated with antireflection multi-layer optical thin film and are analyzed by scanning electron microscope (SEM), it is found that the thin film is rather smooth while some clusters still exist on some areas of the thin film. Secondary ion mass spectrometer (SIMS) is also used to ascertain that the clusters contain platinum. Laser whose wavelength is 2 mm and pulse width is 31 ns is used to test the thin film on ZGP according to the 1-on-1 method of ISO11254 standard to measure the LIDT of the thin film. The results show that the average LIDT of those coated samples is 0.68 J/cmsup2/sup. The LIDT is also calculated by finite element method and the result is 3.2 J/cmsup2/sup. The study shows that platinum impurity has significant impact on the LIDT of optical thin film on ZGP and therefore decreasing the impurity density will increase LIDT of the thin film. , 2015, Science Press. All right reserved.
文章类型	期刊论文
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56369
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Hao, M.,G. Lu,L. Wang,et al. Study on laser damage of optical thin films on zinc-germanium diphosphide crystal induced by inclusion[J]. Zhongguo Jiguang/Chinese Journal of Lasers,2015,42(6).
APA	Hao, M.,G. Lu,L. Wang,L. Qin,&H. Zhu and X. Liu.(2015).Study on laser damage of optical thin films on zinc-germanium diphosphide crystal induced by inclusion.Zhongguo Jiguang/Chinese Journal of Lasers,42(6).
MLA	Hao, M.,et al."Study on laser damage of optical thin films on zinc-germanium diphosphide crystal induced by inclusion".Zhongguo Jiguang/Chinese Journal of Lasers 42.6(2015).

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