Compressive circular polarization imaging spectrometry

Jianglan Ning; Zhilong Xu; Dan Wu; Yingge Xie; Rui Zhang; Yuanyuan Wang; Wei Zhao; Wenyi Ren

doi:10.1117/12.2586383

12 March 2021 Compressive circular polarization imaging spectrometry

Jianglan Ning, Zhilong Xu, Dan Wu, Yingge Xie, Rui Zhang, Yuanyuan Wang, Wei Zhao, Wenyi Ren

Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 117632B (2021) https://doi.org/10.1117/12.2586383
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China

Abstract

A compressive sensing based circular polarization spectral imaging system is proposed in this paper to acquire twodimensional spatial, two-dimensional polarization (the right and left circular polarization), and one spectral information, simultaneously. The combination of a double Amici prism and a Wollaston prism in this system is used to implement the spectral dispersing along two orthogonal, and compared with the traditional single dispersion prism compression spectral imager, the spectral resolution is improved. The light and left circular polarization are separated and extracted by the achromatic quarter wave-plate and a Wollaston prism. The object is spatially encoded using a coded aperture and reconstructed by Two-step Iterative Shrinkage/Thresholding algorithm. The feasibility is verified by the simulation.

Citation Download Citation

Jianglan Ning, Zhilong Xu, Dan Wu, Yingge Xie, Rui Zhang, Yuanyuan Wang, Wei Zhao, and Wenyi Ren "Compressive circular polarization imaging spectrometry", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 117632B (12 March 2021); https://doi.org/10.1117/12.2586383

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