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Proceedings Paper

A new kind of spectropolarimeter for atmospheric sounding
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Paper Abstract

A new kind of polarization modulation is presented in this paper-sinusoidal polarization modulation. It can acquire the full linear polarization information of targets. The large advantage of this modulation is that it is very compact and with low mass and there is no moving parts in it. Moreover the demodulation algorithm is not only simple but also with high precision. It’s especially suitable for spaceborne atmosphere detecting sensor, providing a new kind of polarization modulation for it. After the incident lights passing through the modulator, it is modulated into sinusoidal with amplitude scaling with the degree of linear polarization and phase scaling with the angle of linear polarization. With a dedicated algorithm, the degree and angle of linear polarization can be acquired directly while traditional polarization modulation methods need I、Q、U、V parameters of the Stokes vector for further calculation. In this paper, theoretical and simulation analysis on spectral modulation are presented, the results of analysis point out the feasibility of this technology in theory.

Paper Details

Date Published: 18 November 2014
PDF: 7 pages
Proc. SPIE 9298, International Symposium on Optoelectronic Technology and Application 2014: Imaging Spectroscopy; and Telescopes and Large Optics, 92980J (18 November 2014); doi: 10.1117/12.2071369
Show Author Affiliations
Jia Zhao, Beijing Institute of Space Mechanics and Electricity (China)
Feng Zhou, Beijing Institute of Space Mechanics and Electricity (China)
Huan Li, Beijing Institute of Space Mechanics and Electricity (China)
Haibo Zhao, Beijing Institute of Space Mechanics and Electricity (China)


Published in SPIE Proceedings Vol. 9298:
International Symposium on Optoelectronic Technology and Application 2014: Imaging Spectroscopy; and Telescopes and Large Optics
Jannick P. Rolland; Changxiang Yan; Dae Wook Kim; Wenli Ma; Ligong Zheng, Editor(s)

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