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Proceedings Paper

Based on coherent detection of Rayleigh - Brillouin temperature measurement
Author(s): Yeliang Zheng; Yihua Hu; Baokun Huang
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Paper Abstract

The traditional laser temperature measurement usually adopt the direct detection method, while the direct detection method is easily influenced by aerosol scattering and background stray light. In this paper, the DSC710 balanced detector was first applied to the measurement of complete gas Rayleigh - Brillouin scattering spectrum (RBS). By utilizing the difference of RBS spectrum broadening under different temperature to get the temperature information. In this article, a simple theoretical derivation and error analysis has been made. The results show that using this method can effectively inhibit the interference of background stray light and has high precision.

Paper Details

Date Published: 7 November 2016
PDF: 6 pages
Proc. SPIE 10141, Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016, 1014115 (7 November 2016); doi: 10.1117/12.2253801
Show Author Affiliations
Yeliang Zheng, Electronic Engineering Institute (China)
Yihua Hu, Electronic Engineering Institute (China)
Baokun Huang, Electronic Engineering Institute (China)


Published in SPIE Proceedings Vol. 10141:
Selected Papers of the Chinese Society for Optical Engineering Conferences held July 2016
Yueguang Lv; Weimin Bao; Guangjun Zhang, Editor(s)

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