Phase-diversity wavefront sensing enhanced by a Fourier-based neural network.
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DOI: 10.1364/oe.466292
Abstract: Phase diversity wavefront sensing (PDWS) has been a successful approach to quantifying wavefront aberrations with only a few intensity measurements and nonlinear optimization. However, the inherent non-convexity of the inverse problem may lead to stagnation… read more here.
Keywords: neural network; network; phase diversity; diversity wavefront ... See more keywords
Generalization of learned Fourier-based phase-diversity wavefront sensing.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.484057
Abstract: Proper initialization of the nonlinear optimization is important to avoid local minima in phase diversity wavefront sensing (PDWS). An effective neural network based on low-frequency coefficients in the Fourier domain has proved effective to determine… read more here.
Keywords: network; fourier based; phase diversity; diversity wavefront ... See more keywords