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2 March 2022 Online and noise-resilient estimation of the transmission matrix for wavefront shaping through dynamic scattering media
Lorenzo Valzania, Sylvain Gigan
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Proceedings Volume PC11969, Adaptive Optics and Wavefront Control for Biological Systems VIII; PC1196909 (2022) https://doi.org/10.1117/12.2608792
Event: SPIE BiOS, 2022, San Francisco, California, United States
Abstract
Light control in dynamic scattering media, like living tissues, is of paramount importance in biomedical imaging. Although iterative wavefront shaping algorithms can focus light through dynamic media, more complicated tasks like transmission of arbitrary fields and energy delivery require longer calibration procedures, typically involving the measurement of the transmission matrix. We report and showcase the performance of an optimization routine, based on a conventional wavefront shaping setup, allowing the online and recursive estimation of the transmission matrix of scattering media. Because it combines the benefits of iterative and transmission-matrix based algorithms, it enables full light control through dynamic and noisy environments.
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Lorenzo Valzania and Sylvain Gigan "Online and noise-resilient estimation of the transmission matrix for wavefront shaping through dynamic scattering media", Proc. SPIE PC11969, Adaptive Optics and Wavefront Control for Biological Systems VIII, PC1196909 (2 March 2022); https://doi.org/10.1117/12.2608792
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KEYWORDS
Scattering media
Wavefronts
Biological research
Detection and tracking algorithms
Genetic algorithms
Scattering
Stochastic processes
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