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题名:
Sensitivity enhancement of surface thermal lens technique with a short-wavelength probe beam: Experiment
作者: Zhang, Xiaorong1,2,3; Li, Bincheng1,2
刊名: REVIEW OF SCIENTIFIC INSTRUMENTS
出版日期: 2015-02-01
卷号: 86, 期号:2
文章类型: Article
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
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2540
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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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

Recommended Citation:
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).
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