A photonic integrated circuit with 729 spectral sampling states, decoded by a 1D-CNN, predicts surface thickness with about 18.5 um average error on smooth and structured samples.
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3D surface profiling via photonic integrated geometric sensor
A photonic integrated circuit with 729 spectral sampling states, decoded by a 1D-CNN, predicts surface thickness with about 18.5 um average error on smooth and structured samples.