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A simple polarimetric measurement based on a computational algorithm

Xiaoqian Wang, Kean Zhu, Kaihua Zhu, Boyuan Li, Dong Shen, and Zhi-gang Zheng

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Abstract

A simple and compact polarimeter comprising two electrically controlled liquid-crystal variable retarders (LCVRs) and a linear polarizer is demonstrated, which is enabled by analyzing the intensity variation of the modulated output light based on a computational algorithm. A proof-of-concept prototype is presented, which is mounted onto a power meter or a CMOS camera for the intensity data collection. The polarimetric measurement for the spatial variant polarization states of light is also verified, indicating the possibility of achieving a resolution-lossless polarimeter. Thus, our proposed method shows a cost-effective way to realize a compact polarimeter in polarization optics.

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Corrections

1 August 2023: A typographical correction was made to the title.

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