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Proceedings Paper

Aliasing reduction for channeled spectropolarimetry based on super-resolution technique
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Paper Abstract

We can get the useful information of the targets from the polarization of it. In many cases, the polarization of the target changes with wavelength. Channeled spectropolarimetry (CSP) is a powerful tool to measure the spectrum and polarization simultaneously in one snapshot. However, the resolution of recovered spectrum is severely reduced by the aliasing between channels, which greatly limits the application of CSP. In this paper, aliasing reduction for CSP using Super-resolution technique is presented. An interferometer based on Savart polariscope is implemented and the channeled interferogram on detector is slightly tilted to get the super resolution sampling. We can increase the optical path difference (OPD) largely without the limitation of the detector. The spacing between channels will also increase, which will reduce the aliasing between them. The feasibility of that method is proved by the simulation results.

Paper Details

Date Published: 24 January 2019
PDF: 6 pages
Proc. SPIE 11052, Third International Conference on Photonics and Optical Engineering, 110520X (24 January 2019); doi: 10.1117/12.2521926
Show Author Affiliations
Tingyu Yan, Xi'an Jiaotong Univ. (China)
Chunmin Zhang, Xi'an Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 11052:
Third International Conference on Photonics and Optical Engineering
Ailing Tian, Editor(s)

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