Real-time damage event imaging reveals the absorber inducing laser damage with low density in solgel antireflective coatings

CORC > 上海光学精密机械研究所 > 中国科学院上海光学精密机械研究所 > 中科院强激光材料重点实验室

	Real-time damage event imaging reveals the absorber inducing laser damage with low density in solgel antireflective coatings
	Hu, Guohang ; Zhao, Yuanan ; Shao, Jianda ; Yi, Kui ; Li, Dawei ; Liu, Xiaofeng ; Xiao, Qiling
刊名	j. opt. soc. am. b-opt. phys.
	2013
卷号	30 期号:5 页码:1186
通讯作者	zhao, ya (reprint author), chinese acad sci, shanghai inst opt & fine mech, key lab mat high power laser, shanghai 201800, peoples r china.
英文摘要	a reliable method, combining raster scan process and real-time damage event imaging, has been developed to accurately determine the initiator inducing low-density laser damage at 1064 nm in large aperture solgel coatings. it is revealed that there were two distinct initiators, the visible surface defect and the invisible defect. online detection and offline morphology analysis demonstrated that similar to 96% of low-density damage sites were initiated by surface defects. all types of surface defects were investigated to find their reaction during exposure to laser irradiation. a kind of surface defect consisting of a central spot and a circle of microvariation was admitted as the main initiator. its size and hidden depth revealed the characteristics of a laser damage initiator. the morphology and depth profile of the laser damage site consisted of a central point and surrounding delamination area, reconfirming our judgment of initiator property and disclosed laser damage mechanism. a high temperature, generated by initiator absorption, induced a change of phase and produced a huge local pressure. this pressure could hump the surrounding solgel coating, break off the humped coating with a shearing stress, and finally remove it from the sample surface. (c) 2013 optical society of america
收录类别	SCI
语种	英语
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.siom.ac.cn/handle/181231/14654]
专题	上海光学精密机械研究所_中科院强激光材料重点实验室
作者单位	1.[Hu, Guohang 2.Zhao, Yuanan 3.Shao, Jianda 4.Yi, Kui 5.Li, Dawei 6.Liu, Xiaofeng 7.Xiao, Qiling] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
推荐引用方式 GB/T 7714	Hu, Guohang,Zhao, Yuanan,Shao, Jianda,et al. Real-time damage event imaging reveals the absorber inducing laser damage with low density in solgel antireflective coatings[J]. j. opt. soc. am. b-opt. phys.,2013,30(5):1186.
APA	Hu, Guohang.,Zhao, Yuanan.,Shao, Jianda.,Yi, Kui.,Li, Dawei.,...&Xiao, Qiling.(2013).Real-time damage event imaging reveals the absorber inducing laser damage with low density in solgel antireflective coatings.j. opt. soc. am. b-opt. phys.,30(5),1186.
MLA	Hu, Guohang,et al."Real-time damage event imaging reveals the absorber inducing laser damage with low density in solgel antireflective coatings".j. opt. soc. am. b-opt. phys. 30.5(2013):1186.