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Optical design of multi-multiple expander structure of laser gas analysis and measurement device
Author(s): Xiang Fu; Biao Wei
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Paper Abstract

The installation and debugging of optical circuit structure in the application of carbon monoxide distributed laser gas analysis and measurement, there are difficult key technical problems. Based on the three-component expansion theory, multi-multiple expander structure with expansion ratio of 4, 5, 6 and 7 is adopted in the absorption chamber to enhance the adaptability of the installation environment of the gas analysis and measurement device. According to the basic theory of aberration, the optimal design of multi-multiple beam expander structure is carried out. By using image quality evaluation method, the difference of image quality under different magnifications is analyzed. The results show that the optical quality of the optical system with the expanded beam structure is the best when the expansion ratio is 5-7.

Paper Details

Date Published: 5 March 2018
PDF: 9 pages
Proc. SPIE 10710, Young Scientists Forum 2017, 107102Z (5 March 2018); doi: 10.1117/12.2317553
Show Author Affiliations
Xiang Fu, Chongqing Univ. (China)
Biao Wei, Chongqing Univ. (China)


Published in SPIE Proceedings Vol. 10710:
Young Scientists Forum 2017
Songlin Zhuang; Junhao Chu; Jian-Wei Pan, Editor(s)

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