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题名:
Study on the spatial resolution of imaging technique for absorption loss measurement of optical coatings
作者: Hao, Honggang1,2; Rao, Min1; Li, Bincheng2; Li, Zhenghao3
刊名: International Journal of Thermophysics
出版日期: 2013
卷号: 34, 期号:8-9, 页码:1652-1660
学科分类: Image resolution - Imaging techniques - Laser applications - Optical systems - Probes
DOI: 10.1007/s10765-012-1364-0
通讯作者: Hao, H. (haoluo1213@126.com)
文章类型: 期刊论文
中文摘要: The uniformity of optical coatings becomes more and more important as large diameter optical devices are widely used. Absorption loss in optical components, particularly in optical coatings, is a limiting factor in high-power laser applications. This article analyzes the main factors, which affect the spatial resolution of three techniques for surface absorption loss measurement, including the photothermal deflection technique, the surface thermal lens technique, and the photothermal detuning technique. The influence of the size of the heating and probe beam on the photothermal detuning technique is studied in detail. Experiments are conducted to study the photothermal signal of the photothermal detuning technique for absorption measurement of the optical coating point by point. The results show that the main factors, which affect the spatial resolution of imaging measurements for absorption loss of coatings, are the heating beam size and the step accuracy of the sample translation stage. The heating and probe beam sizes has a significant impact on the application of the photothermal detuning technique. Experimental result shows that the photothermal detuning technique can be used for imaging of absorption loss measurements of optical coatings. The results provide theoretical and experimental supports for further application of the photothermal detuning technique. © Springer Science+Business Media New York 2012.
英文摘要: The uniformity of optical coatings becomes more and more important as large diameter optical devices are widely used. Absorption loss in optical components, particularly in optical coatings, is a limiting factor in high-power laser applications. This article analyzes the main factors, which affect the spatial resolution of three techniques for surface absorption loss measurement, including the photothermal deflection technique, the surface thermal lens technique, and the photothermal detuning technique. The influence of the size of the heating and probe beam on the photothermal detuning technique is studied in detail. Experiments are conducted to study the photothermal signal of the photothermal detuning technique for absorption measurement of the optical coating point by point. The results show that the main factors, which affect the spatial resolution of imaging measurements for absorption loss of coatings, are the heating beam size and the step accuracy of the sample translation stage. The heating and probe beam sizes has a significant impact on the application of the photothermal detuning technique. Experimental result shows that the photothermal detuning technique can be used for imaging of absorption loss measurements of optical coatings. The results provide theoretical and experimental supports for further application of the photothermal detuning technique. © Springer Science+Business Media New York 2012.
收录类别: SCI ; Ei
语种: 英语
WOS记录号: WOS:000325815500036
ISSN号: 0195928X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6626
Appears in Collections:薄膜光学技术研究室(十一室)_期刊论文

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作者单位: 1. College of Optical Electronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
2. Institute of Optics and Electronics, Chinese Academy of Sciences, PO Box 350, Shuangliu, Chengdu 610209, Sichuan, China
3. Key Laboratory of Optoelectronic Technology and System of Educational Ministry of China, Chongqing University, Chongqing 400044, China

Recommended Citation:
Hao, Honggang,Rao, Min,Li, Bincheng,et al. Study on the spatial resolution of imaging technique for absorption loss measurement of optical coatings[J]. International Journal of Thermophysics,2013,34(8-9):1652-1660.
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