Chinese Journal of Lasers, Volume. 52, Issue 5, 0501002(2025)
Advances in On‐Chip Infrared Polarization Imaging Devices Based on Micro‐ and Nano‐Structures (Invited)
Figures & Tables(8)
![On-chip infrared polarization imaging devices. (a) Schematic diagram of polarization data cube, and comparison of intensity, degree of polarization, and angle of polarization imaging[3]; (b) from polarization “filtering” to multiplexing to enhance energy utilization; (c) addition of pixel-level light field convergence capability to reduce optical crosstalk between adjacent pixels; (d) simultaneous multi-dimensional light field manipulation to expand encoding channels; (e) artificial intelligence-driven inverse design of microstructure; (f) polarization correction and high-precision polarization reconstruction](/Images/icon/loading.gif){kind=icon}
Fig. 1. On-chip infrared polarization imaging devices. (a) Schematic diagram of polarization data cube, and comparison of intensity, degree of polarization, and angle of polarization imaging[3]; (b) from polarization “filtering” to multiplexing to enhance energy utilization; (c) addition of pixel-level light field convergence capability to reduce optical crosstalk between adjacent pixels; (d) simultaneous multi-dimensional light field manipulation to expand encoding channels; (e) artificial intelligence-driven inverse design of microstructure; (f) polarization correction and high-precision polarization reconstruction
Fig. 2. Polarization-integrated detection schemes based on metal wire grids. (a) Focal plane array polarization detection device for the visible light wavelength band[26]; (b) linear-array polarization detection device for the near-infrared (NIR) wavelength band[39]; (c) focal plane array polarization detection device for the NIR wavelength band[38]; (d) focal plane array polarization detection device for the mid-wavelength infrared (MWIR) wavelength band[40]; (e) linear-array polarization detection device for the long-wavelength infrared (LWIR) wavelength band[41]; (f) focal plane array polarization detection device for the LWIR wavelength band[27]
Fig. 3. Polarization “filtering” and focusing schemes. (a) VIS light polarization detection scheme integrating microlenses and metal wire grids[6]; (b) NIR monochromatic full Stokes polarization detection scheme based on polarization “filtering” metalens[28]; (c) NIR achromatic full Stokes polarization detection scheme[45]; (d) long-wavelength infrared achromatic full Stokes polarization detection scheme[29]
Fig. 4. Polarization multiplexing and focusing schemes. (a) Pixel-level monochromatic full Stokes polarization multiplexing in the visible wavelength band[33]; (b) pixel-level hexagonal monochromatic full Stokes polarization multiplexing in the visible wavelength band[32]; (c) large-size monochromatic polarization multiplexing in the long-wave infrared wavelength band[35]; (d) pixel-level achromatic polarization multiplexing in the mid-wave infrared wavelength band[34]; (e) light field camera based on layered polarization multiplexing[48]; (f) full-polarization camera based on matrix Fourier optics[3]
Fig. 5. Polarization-integrated detection scheme based on polarization multiplexing metalens. (a) Demonstration of 4D imaging based on polarization multiplexing[49]; (b) demonstration of split imaging based on polarization multiplexing structures[50]; (c) novel bionic compound eye design based on bifocal metasurfaces[56]
Fig. 6. Artificial intelligence-driven inverse design of micro- and nano-structures. (a) Forward and inverse design framework of metasurface structures based on artificial intelligence algorithms[57]; (b) statistical machine learning-assisted design of multi-frequency polarization multiplexing metasurfaces[58]; (c) deep learning-assisted design of multi-frequency multiplexing metasurfaces[59]; (d) global field-driven assisted design of polarization multiplexing metasurfaces[60]
Fig. 7. Polarization reconstruction. (a) Schematic diagram of high-dimensional physical parameters reconstruction[63]; (b) polarization spectral detection based on graphene moiré system[64]; (c) computational spectral polarization method based on tunable liquid crystal metasurfaces[65]; (d) full Stokes polarization imaging based on two-dimensional disordered metasurfaces[66]
Table 1. Performance comparison for different polarization-sensitive microstructures
View tableTable 1. Performance comparison for different polarization-sensitive microstructures
Ref. Operation Convergence Chip integrated Wavelength /μm η Polarization
component
Size Focal length Exp. Fil. Mul. Yes No ［ 26 ］√ √ Yes 0.460‒0.625 <50% X Y A B 14.8 μm×14.8 μm √ ［ 27 ］√ √ Yes LWIR <50% X Y A B √ ［ 6 ］√ √ Yes 0.4‒0.7 <50% X Y A B 6.9 μm×6.9 μm √ ［ 28 ］√ √ No 1.55 28% X Y A B L R 22.5 μm×22.5 μm 30 μm √ ［ 29 ］√ √ No 3.7‒5.0 <50% X Y A B L R 1.7 mm×1.7 mm 10 mm √ ［ 30 ］√ √ No 0.860 Reflect X Y A B L R 75 μm×75 μm √ ［ 31 ］√ √ No 0.915 >72% X Y ~300 μm×300 μm √ ［ 32 ］√ √ No 0.530 ~54% X Y A B L R ~60 μm×60 μm √ ［ 33 ］√ √ No 0.860 60%‒65% X Y A B L R 9.6 μm×14.4 μm 9.6 μm √ ［ 31 ］√ √ No 0.915 72%‒97% X Y ~300 μm×300 μm 1 mm √ ［ 34 ］√ √ No 3.50‒4.75 X Y 200 μm×200 μm 200 μm √ ［ 35 ］√ √ No 10.6 ~53% X Y L R 1 cm×1 cm 1 cm √ ［ 36 ］√ √ No 3， 3.6， 4.5 6-channel 200 μm×200 μm 400 μm √ ［ 37 ］√ √ No 0.5∶0.04∶0.7 12-channel ~500 μm×500 μm ~500 μm √
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Lingfang Wang, Yi Zhou, Jian Zhou, Xiangxiao Ying, Fangfang Wang, Long Wang, Wenli Cai, Jianxin Chen. Advances in On‐Chip Infrared Polarization Imaging Devices Based on Micro‐ and Nano‐Structures (Invited)[J]. Chinese Journal of Lasers, 2025, 52(5): 0501002
Paper Information
Category: laser devices and laser physics
Received: Sep. 18, 2024
Accepted: Nov. 6, 2024
Published Online: Mar. 17, 2025
The Author Email: Yi Zhou (zhouyi@mail.sitp.ac.cn)
CSTR:32183.14.CJL241211
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