Design of ultracompact broadband focusing spectrometers based on diffractive optical networks.
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DOI: 10.1364/ol.475375
Abstract: We propose the inverse design of ultracompact, broadband focusing spectrometers based on adaptive diffractive optical networks (a-DONs). Specifically, we introduce and characterize two-layer diffractive devices with engineered angular dispersion that focus and steer broadband incident… read more here.
Keywords: broadband focusing; focusing spectrometers; diffractive optical; ultracompact broadband ... See more keywords