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Pixel-super-resolution optical imaging through random phase diffusers using a hybrid electro-optical diffractive decoder
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DOI：10.1016/j.optlaseng.2026.109800.png)
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Abstract
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• A hybrid electro-optical framework for super-resolution imaging through random diffusers is proposed. • A CNN-based encoder compresses high-resolution information into low-resolution phase patterns under SBP constraints. • A diffractive optical decoder enables all-optical reconstruction of high-resolution images without digital post-processing. • The system achieves 4× super-resolution and 16× spatial bandwidth product enhancement. • Robust reconstruction is demonstrated for unseen random phase diffusers with identical statistical correlation length.
Keywords:
super-resolution imaging
random phase diffusers
hybrid electro-optical framework
diffractive optical decoder
CNN-based encoder
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