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Reflectivity mapping of large-aperture mirrors with cavity ringdown technique
Han, Yanling1; Li, Bincheng1,2; Gao, Lifeng1; Xiong, Shengming1
2017
Source PublicationApplied Optics
ISSN1559128X
Volume56Issue:4Pages:C35-C40
AbstractA high-precision reflectivity measurement device based on an optical-feedback cavity ringdown technique is developed for mapping reflectivity distributions of large-aperture highly reflective (HR) mirrors with a diameter up to 300 mm. Reflectivity maps are obtained by two-dimensionally raster scanning the large-aperture mirrors and measuring the reflectivity as a function of position. By employing a laser source with a beam diameter of approximately 0.4 mm, reflectivity maps with sub-millimeter spatial resolution are achieved. The reflectivity non-uniformity of HR mirrors is investigated by statistically analyzing the experimental reflectivity distributions. The measurement repeatability of the device is also experimentally investigated, with a standard deviation of approximately 0.0001% for reflectivity higher than 99.99%. © 2016 Optical Society of America.
KeywordMapping - Mirrors
Indexed BySCI ; Ei
Language英语
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8773
Collection薄膜光学技术研究室(十一室)
Affiliation1.Institute of Optics and Electronics, Chinese Academy of Sciences, P.O. Box 350, Shuangliu, Chengdu; 610209, China;
2.School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu; 610054, China
Recommended Citation
GB/T 7714
Han, Yanling,Li, Bincheng,Gao, Lifeng,et al. Reflectivity mapping of large-aperture mirrors with cavity ringdown technique[J]. Applied Optics,2017,56(4):C35-C40.
APA Han, Yanling,Li, Bincheng,Gao, Lifeng,&Xiong, Shengming.(2017).Reflectivity mapping of large-aperture mirrors with cavity ringdown technique.Applied Optics,56(4),C35-C40.
MLA Han, Yanling,et al."Reflectivity mapping of large-aperture mirrors with cavity ringdown technique".Applied Optics 56.4(2017):C35-C40.
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