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	低功率激光在镍合金分光镜上的自聚焦现象; Self-focusing of Low Power Laser Beam in Nickel Alloy Coated Beam Splitter
	陈小韵 ; 刘守 ; 张向苏 ; 刘川
	2004-11
关键词	自聚焦 非线性光折射 非线性光学介质 低功率激光 镍合金分光镜 self-focusing nonlinear refraction nonlinear optical medium low power laser nickel alloy coated beam splitter
英文摘要	【中文文摘】功率在几百毫瓦量级的低功率Ar+激光器所发出的488nm激光束,在未聚焦的情况下(光强度在40W/cm2左右),经镍合金镀膜的分光镜后,观察到自聚焦现象.实验结果表明非线性光折射现象产生于膜层与玻璃基底的交界面,证明在此交界处存在一层非线性介质,是一种新的非线性材料.实验结果还表明此非线性现象的产生机理是光 热效应,并给出实验设置和测试资料,分析了实验结果. 【英文文摘】Laser self-focusing has been observed when several hundred milliwatts 488 nm Ar~+ laser beam irradiates on a nickel alloy coated beam splitter.The beam was not focused and had the intensity around 40 W/cm~2.The experimental results demonstrate that the nonlinear refraction is induced on the interface between the coating and the glass substrate,indicating that there is a layer of nonlinear medium at the interface.The medium is a new nonlinear material that has not been reported before.The experimental result are analyzed
语种	中文
出版者	《厦门大学学报(自然科学版)》编辑部
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/7472]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	陈小韵,刘守,张向苏,等. 低功率激光在镍合金分光镜上的自聚焦现象, Self-focusing of Low Power Laser Beam in Nickel Alloy Coated Beam Splitter[J],2004.
APA	陈小韵,刘守,张向苏,&刘川.(2004).低功率激光在镍合金分光镜上的自聚焦现象..
MLA	陈小韵,et al."低功率激光在镍合金分光镜上的自聚焦现象".(2004).

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