2024
DOI: 10.1109/jphot.2023.3348700
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A Computational Microspectrometer Based on Binary-Image-Generated Freeform Metasurfaces for Spectral Sensing

Chao Hu,
Xingyan Zhao,
Yang Qiu
et al.

Abstract: In the trend of spectrometer miniaturization, the design of combining computational imaging with the metasurfaces has been proved to be an efficient and feasible solution. Nevertheless, determining the optimal filter array design remains a compelling subject for ongoing research. A computational microspectrometer consisting of a planar array of broadband optical filters is proposed, which are formed by lowloss freeform dielectric metasurfaces. Diverse metasurface designs are obtained by using binary graph gene… Show more

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References 33 publications
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