We present a high-resolution, wide-field of view (FOV) computational microscope that employs an array of image sensors with gaps between them and a diffractive optical element (DOE) in the Fourier plane. The sensor array consists of a 6 x 8 array of 13-megapixel sensors (total ~0.6 gigapixels), spanning a 5 cm by 6.6 cm region with a ~22% fill factor. To fill in the inter-sensor gaps without scanning, we introduce a DOE at the pupil that generates a distributed PSF, allowing us to multiplex information from the missing ~78% of the total area into the sensing regions. Our large-scale reconstruction algorithm demixes the superimposed information, resulting in a >4x expanded FOV. Our approach can enable multi-gigapixel imaging in a single snapshot.
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