Insect-inspired nanofibrous polyaniline multi-scale movies for hybrid polarimetric imaging with scattered mild

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We reveal a bio-inspired coating for novel imaging and sensing designs: the coating kinds totally different colours and linear polarizations. This coating, composed of conducting, nanofibrous polyaniline in an inverse opal movie (PANI-IOF), is cheap and might feasibly be deposited over massive areas on a variety of versatile and non-flat substrates. With PANI IOFs, mild is scattered into azimuthally polarized Debye rings. Subsequently, the diffracted speckle patterns carry compressed representations of the polarized illumination, which we reconstruct utilizing shallow neural networks.

Graphical abstract: Insect-inspired nanofibrous polyaniline multi-scale films for hybrid polarimetric imaging with scattered light

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