Shift-Variant Color-Coded Diffractive Spectral Imaging System

Henry Arguello, Samuel Pinilla, Yifan Peng, Hayato Ikoma, Jorge Bacca, Gordon Wetzstein

State-of-the-art snapshot spectral imaging (SI) systems introduce color-coded apertures (CCAs) into their setups to obtain a flexible spatial-spectral modulation. This work introduces an optical setup composed of a DOE and a CCA with end-to-end differentiable optimization.

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Diffractive Optics Spectral Imaging Computational Imaging