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Uncertainty evaluation method of reflectivity measurement by cavity ring-down spectroscopy
Author(s): Weiyan Ren; Zheng Zhang; Pu-bo Qv; Song-qing Zhou; Min-bo He
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Paper Abstract

According to the principle of reflectivity measurement using cavity ring-down spectroscopy, the origin of reflectivity measurement uncertainty was analyzed, we particularly discussed the origin of ring-down time measurement uncertainty, and concluded that the maximum amplitude selection of ring-down curve, the fitting of curve, the time delay of detector, and the dispersity of measurement results were the reasons why. Based on the cavity ring-down spectroscopy method, we built a reflectivity measurement system with the wavelength of 1.319 micron, and obtained the ring-down times of straight and folded cavity respectively. According to the origin of uncertainty, the extensional uncertainty of system was obtained. The result showed the high precision of reflectivity measurement using cavity ring-down spectroscopy.

Paper Details

Date Published: 12 May 2017
PDF: 5 pages
Proc. SPIE 10173, Fourth International Symposium on Laser Interaction with Matter, 1017318 (12 May 2017); doi: 10.1117/12.2267984
Show Author Affiliations
Weiyan Ren, Northwest Institute of Nuclear Technology (China)
Zheng Zhang, Northwest Institute of Nuclear Technology (China)
Pu-bo Qv, Northwest Institute of Nuclear Technology (China)
Song-qing Zhou, Northwest Institute of Nuclear Technology (China)
Min-bo He, Northwest Institute of Nuclear Technology (China)


Published in SPIE Proceedings Vol. 10173:
Fourth International Symposium on Laser Interaction with Matter
Yongkun Ding; Guobin Feng; Dieter H. H. Hoffmann; Jianlin Cao; Yongfeng Lu, Editor(s)

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