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题名:
Study on the measurement sensitivity for optical coatings absorption loss by the photothermal detuning technique
作者: Hao, Honggang1; Rao, Min1; Zhou, Ao1; Yin, Bo1; Li, Bincheng2
刊名: OPTIK
出版日期: 2013
卷号: 124, 期号:3, 页码:250-254
关键词: Photothermal detuning ; Coating ; Absorption ; Sensitivity
文章类型: Article
英文摘要: The photothermal detuning technique (PTDT) is a novel photothermal technique and can be used to measure the absorption of the optical coatings, which utilizes the spectral shift of optical coatings caused by absorption-induced temperature rise. The measurement sensitivity depends on the slope of the spectrum band edge and the character of the probe beam, and is limited by the temperature coefficient of the reflectivity or transmission. Based on the preliminary study, the impact of the spectrum band slope and the probe beam character on the measurement sensitivity are detailed studied. Experiments are performed with a highly reflective coating. The results show that the measurement sensitivity is determined by the structure and the optical-thermal parameters. Appropriate wavelength, incident angle and polarization properties of the probe beam can improve the measurement sensitivity. The results provide a theoretical and experimental basis for the application of the photothermal detuning technique for absorption loss of the thin film. (C) 2011 Elsevier GmbH. All rights reserved.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: THERMAL LENS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000315312800015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/1200
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.Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Sichuan, Peoples R China

Recommended Citation:
Hao, Honggang,Rao, Min,Zhou, Ao,et al. Study on the measurement sensitivity for optical coatings absorption loss by the photothermal detuning technique[J]. OPTIK,2013,124(3):250-254.
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