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16 March 2023 Computational focusing and imaging through scattering media with single-pixel detected two-photon fluorescence (Conference Presentation)
Shupeng Zhao, Bernhard Rauer, Ruifeng Liu, Hilton Barbosa de Aguiar, Sylvain Gigan
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Proceedings Volume PC12388, Adaptive Optics and Wavefront Control for Biological Systems IX; PC1238807 (2023) https://doi.org/10.1117/12.2648303
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
In this work, we demonstrate a method that can focus on multiple single guidestar through scattering medium with a spatial light modulator (SLM) and a bucket detector using two-photon fluorescence signals. A gradient descent based multiplexed phase retrieval algorithm is used to non-invasively reconstruct the transmission matrix between the guidestars and the SLM, without any assumptions on the memory effect range. Conversely, if we consider the memory effect, we can reconstruct the image of the sample.
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Shupeng Zhao, Bernhard Rauer, Ruifeng Liu, Hilton Barbosa de Aguiar, and Sylvain Gigan "Computational focusing and imaging through scattering media with single-pixel detected two-photon fluorescence (Conference Presentation)", Proc. SPIE PC12388, Adaptive Optics and Wavefront Control for Biological Systems IX, PC1238807 (16 March 2023); https://doi.org/10.1117/12.2648303
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KEYWORDS
Luminescence
Fluorescence spectroscopy
Scattering
Scattering media
Detection and tracking algorithms
Light scattering
Tissue optics
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