Study on spatial modulating spectropolarimetry with double combo wedge modulator

Shuang Li; Ping Gong; Qiyue Han; Qi Yuan; Lin Han

doi:10.1117/12.2263177

8 March 2017 Study on spatial modulating spectropolarimetry with double combo wedge modulator

Shuang Li, Ping Gong, Qiyue Han, Qi Yuan, Lin Han

Proceedings Volume 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016; 102552K (2017) https://doi.org/10.1117/12.2263177
Event: Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 2016, Jinhua, Suzhou, Chengdu, Xi'an, Wuxi, China

Abstract

We present an approach to spectropolarimetry with no moving parts. The approach encode the polarization information at each wavelength along the spatial dimension of a two dimension date array using static, robust double combo wedges modulator, and realize the measurement of full Stokes parameters. Firstly, the paper present the principle of spatial modulating spectrometry and its configuration; Secondly, the measurement matrix is derivate at different configuration of double combo wedges; Finally, measurement error distribution of Stokes parameters in different measurement matrix is calculated using least squares method, and the analyzer angle of polarizer is given with the minimum variance for each Stokes parameters.

Citation Download Citation

Shuang Li, Ping Gong, Qiyue Han, Qi Yuan, and Lin Han "Study on spatial modulating spectropolarimetry with double combo wedge modulator", Proc. SPIE 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 102552K (8 March 2017); https://doi.org/10.1117/12.2263177

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KEYWORDS

Modulation

Polarization

Modulators

Error analysis

Polarizers

Polarimetry

Spectroscopy

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