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physics.optics2026
Random-mapped intensity optical neural network: all-optical two-layer computing for multimodal optical-field inference
Gi-Hyun Go, Doeon Lee, Gookho Song +1
Free-space optical neural networks offer distinct advantages for computational imaging and machine vision because they can compute directly on incident optical fields. However, con…
physics.optics2026
Feature-domain Fourier ptychographic tomography with dark-field illumination
Chao Tan, Fangrui Lu, Sechan Park +6
Fourier ptychographic tomography (FPT) is an implementation of intensity diffraction tomography that reconstructs three-dimensional (3D) refractive-index (RI) distributions from an…