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Crosstalk-free achromatic full Stokes imaging polarimetry metasurface enabled by polarization-dependent phase optimization

Yaxin Zhang, State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China, Mingbo Pu, Jinjin Jin, Xinjian Lu, Yinghui Guo, Jixiang Cai, Fei Zhang, Yingli Ha, Qiong He, Mingfeng Xu, Xiong Li (+5 others)
2022 Opto-Electronic Advances  

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Imaging polarimetry is one of the most widely used analytical technologies for object detection and analysis. To date, most metasurface-based polarimetry techniques are severely limited by narrow operating bandwidths and inevitable crosstalk, leading to detrimental effects on imaging quality and measurement accuracy. Here, we propose a crosstalkfree broadband achromatic full Stokes imaging polarimeter consisting of polarization-sensitive dielectric metalenses, implemented by the principle of
more » ... arization-dependent phase optimization. Compared with the single-polarization optimization method, the average crosstalk has been reduced over three times under incident light with arbitrary polarization ranging from 9 μm to 12 μm, which guarantees the measurement of the polarization state more precisely. The experimental results indicate that the designed polarization-sensitive metalenses can effectively eliminate the chromatic aberration with polarization selectivity and negligible crosstalk. The measured average relative errors are 7.08%, 8.62%, 7.15%, and 7.59% at 9.3, 9.6, 10.3, and 10.6 μm, respectively. Simultaneously, the broadband full polarization imaging capability of the device is also verified. This work is expected to have potential applications in wavefront detection, remote sensing, light-field imaging, and so forth.
doi:10.29026/oea.2022.220058 fatcat:ndu2h3rbprar3nydrof2djudle
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Yaxin Zhang, State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China, Mingbo Pu, Jinjin Jin, Xinjian Lu, Yinghui Guo, Jixiang Cai, Fei Zhang, Yingli Ha, Qiong He, Mingfeng Xu, Xiong Li, Xiaoliang Ma, Xiangang Luo, Research Center on Vector Optical Fields, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China, School of Optoelectronics, University of Chinese Academy of Sciences, Beijing 100049, China, Key Laboratory of Optoelectronic Technology and System, Ministry of Education, Chongqing University, Chongqing 400030, China. "Crosstalk-free achromatic full Stokes imaging polarimetry metasurface enabled by polarization-dependent phase optimization." Opto-Electronic Advances 0.0 (2022) 220058-220058