Sensitivity enhancement of surface thermal lens technique with a short-wavelength probe beam: Experiment

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	Sensitivity enhancement of surface thermal lens technique with a short-wavelength probe beam: Experiment
	Zhang, Xiaorong 1,2,3; Li, Bincheng 1,2
刊名	REVIEW OF SCIENTIFIC INSTRUMENTS
	2015-02-01
卷号	86 期号:2
英文摘要	Surface thermal lens is a highly sensitive photothermal technique to measure low absorption losses of various solid materials. In such applications, the sensitivity of surface thermal lens is a key parameter for measuring extremely low absorption. In this paper, we experimentally investigated the influence of probe beam wavelength on the sensitivity of surface thermal lens for measuring the low absorptance of optical laser components. Three probe lasers with wavelength 375 nm, 633 nm, and 1570 nm were used, respectively, to detect the surface thermal lens amplitude of a highly reflective coating sample excited by a cw modulated Gaussian beam at 1064 nm. The experimental results showed that the maximum amplitude of surface thermal lens signal obtained at corresponding optimized detection distance was inversely proportional to the wavelength of the probe beam, as predicted by previous theoretical model. The sensitivity of surface thermal lens could, therefore, be improved by detecting surface thermal lens signal with a short-wavelength probe beam. (c) 2015 AIP Publishing LLC.
WOS标题词	Science & Technology ; Technology ; Physical Sciences
类目[WOS]	Instruments & Instrumentation ; Physics, Applied
研究领域[WOS]	Instruments & Instrumentation ; Physics
关键词[WOS]	OPTICAL COATINGS ; PHOTOTHERMAL DEFLECTION ; ABSORPTION ; DIFFRACTION ; EXCITATION ; SPECTROSCOPY
收录类别	SCI
语种	英语
WOS记录号	WOS:000350552700056
公开日期	2015-12-24
内容类型	期刊论文
源URL	[http://ir.ioe.ac.cn/handle/181551/2540]
专题	光电技术研究所_光电技术研究所被WoS收录文章
作者单位	1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China 2.Chinese Acad Sci, Key Lab Opt Engn, Chengdu 610209, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Xiaorong,Li, Bincheng. Sensitivity enhancement of surface thermal lens technique with a short-wavelength probe beam: Experiment[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2015,86(2).
APA	Zhang, Xiaorong,&Li, Bincheng.(2015).Sensitivity enhancement of surface thermal lens technique with a short-wavelength probe beam: Experiment.REVIEW OF SCIENTIFIC INSTRUMENTS,86(2).
MLA	Zhang, Xiaorong,et al."Sensitivity enhancement of surface thermal lens technique with a short-wavelength probe beam: Experiment".REVIEW OF SCIENTIFIC INSTRUMENTS 86.2(2015).