All-Silicon Metalens for Long Wavelength Infrared Imaging

Luocheng Huang,Zachary Coppens,Kent Hallman,Zheyi Han,Karl F. Böhringer,Neset Akozbek,Ashok Raman,Arka Majumdar

Conference on Lasers and Electro-Optics（2022）

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摘要

We made meta-optics in the long-wave infrared (LWIR) regime and demonstrate imaging with a 2 cm aperture f/1 all-silicon metalens under ambient thermal emission. We showed that even with the strongly chromatic nature of the metalenses, we can perform ambient light imaging, thanks to the lack of wavelength discrimination in the sensor.

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关键词

long wavelength infrared imaging,meta-optics,all-silicon metalens,ambient thermal emission,strongly chromatic nature,ambient light imaging,wavelength discrimination,size 2.0 cm

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