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Proceedings Paper

Research on depolarizing characteristics of a quartz depolarizer
Author(s): Ting Tan; Lin Ding; Xuemin Zhao; Tongzhou Wu
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Paper Abstract

A depolarizer is usually used to reduce the polarization response of the spectrometer. On the basis of LYOT depolarizer, a depolarizer composed of two quartz crystals with the same wedge angle is designed and developed. Based on the matrix optics theory, this paper studies the relationship between the residual polarization degree of a LYOT depolarizer and the polarization angle of incident light, wavelength, spectral bandwidth, crystal central thickness. The residual polarization degree of a LYOT depolarizer is tested on the polarization sensitivity tester, and the test results are in good agreement with the theoretical analysis results. The LYOT quartz depolarizer can meet the requirements of spectral radiation measurement, and is of strong engineering practice.

Paper Details

Date Published: 12 March 2020
PDF: 9 pages
Proc. SPIE 11434, 2019 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 114340B (12 March 2020); doi: 10.1117/12.2541934
Show Author Affiliations
Ting Tan, Beijing Institute of Space Mechanics and Electricity (China)
Lin Ding, Beijing Institute of Space Mechanics and Electricity (China)
Xuemin Zhao, Beijing Institute of Space Mechanics and Electricity (China)
Tongzhou Wu, Beijing Institute of Space Mechanics and Electricity (China)


Published in SPIE Proceedings Vol. 11434:
2019 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments
Juan Liu; Baohua Jia; Xincheng Yao; Yongtian Wang; Takanori Nomura, Editor(s)

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