Real-time and high-transmission middle-infrared optical imaging system based on a pixel-wise metasurface micro-polarization array

doi:10.1088/1674-1056/acaa25

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	Real-time and high-transmission middle-infrared optical imaging system based on a pixel-wise metasurface micro-polarization array
	L. Ma, S. Du, J. Chang, W. Chen, C. Wu, X. Shi, Y. Huang, Y. Zhong and Q. Mu
	2023
发表期刊	Chinese Physics B
ISSN	16741056
卷号	32 期号:8
摘要	Real-time polarization medium-wave infrared (MIR) optical imaging systems enable the acquisition of infrared and polarization information for a target. At present, real-time polarization MIR devices face the following problems: poor real-time performance, low transmission and high requirements for fabrication and integration. Herein, we aim to improve the performance of real-time polarization imaging systems in the MIR waveband and solve the above-mentioned defects. Therefore, we propose a MIR polarization imaging system to achieve real-time polarization-modulated imaging with high transmission as well as improved performance based on a pixel-wise metasurface micro-polarization array (PMMPA). The PMMPA element comprises several linear polarization (LP) filters with different polarization angles. The optimization results demonstrate that the transmittance of the center field of view for the LP filters is up to 77% at a wavelength of 4.0 μm and an extinction ratio of 88 dB. In addition, a near-diffraction-limited real-time MIR imaging optical system is designed with a field of view of 5° and an F-number of 2. The simulation results show that an MIR polarization imaging system with excellent real-time performance and high transmission is achieved by using the optimized PMMPA element. Therefore, the method is compatible with the available optical system design technologies and provides a way to realize real-time polarization imaging in MIR wavebands. © 2023 Chinese Physical Society and IOP Publishing Ltd
DOI	10.1088/1674-1056/acaa25
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收录类别	sci ; ei
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67757
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	L. Ma, S. Du, J. Chang, W. Chen, C. Wu, X. Shi, Y. Huang, Y. Zhong and Q. Mu. Real-time and high-transmission middle-infrared optical imaging system based on a pixel-wise metasurface micro-polarization array[J]. Chinese Physics B,2023,32(8).
APA	L. Ma, S. Du, J. Chang, W. Chen, C. Wu, X. Shi, Y. Huang, Y. Zhong and Q. Mu.(2023).Real-time and high-transmission middle-infrared optical imaging system based on a pixel-wise metasurface micro-polarization array.Chinese Physics B,32(8).
MLA	L. Ma, S. Du, J. Chang, W. Chen, C. Wu, X. Shi, Y. Huang, Y. Zhong and Q. Mu."Real-time and high-transmission middle-infrared optical imaging system based on a pixel-wise metasurface micro-polarization array".Chinese Physics B 32.8(2023).

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