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Sensitivity enhancement of surface thermal lens technique with a short-wavelength probe beam: Experiment
Zhang, Xiaorong1,2,3; Li, Bincheng1,2
Source PublicationREVIEW OF SCIENTIFIC INSTRUMENTS
Volume86Issue:2
2015-02-01
Language英语
Indexed BySCI
WOS IDWOS:000350552700056
SubtypeArticle
AbstractSurface 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 KeywordOPTICAL COATINGS ; PHOTOTHERMAL DEFLECTION ; ABSORPTION ; DIFFRACTION ; EXCITATION ; SPECTROSCOPY
WOS Research AreaInstruments & Instrumentation ; Physics
WOS SubjectInstruments & Instrumentation ; Physics, Applied
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/2540
Collection光电技术研究所被WoS收录文章
Affiliation1.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
Recommended Citation
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).
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