This innovative system captures 16 image channels simultaneously in the spectral range of 467–663 nm, indicating high efficiency with optical processing.
We demonstrate a snapshot spectral imager based on continuous bound state narrow-band high-transmittance metalens array, capturing 16 image channels simultaneously across the 467–663 nm spectral range using a parallel optical processing approach.
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Ding et al. (2025) studied this question.
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