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This research introduces an innovative quantitative phase microscopy system employing a phase-contrast configuration. Azobenzene liquid crystal material serves as the phase-contrast modulator, and a polarization-sensing camera acts as the detector, capturing four-shifted images in a single shot. The quantitative phase information is then retrieved through a four-step phase-shifting algorithm. Our study establishes a correlation between the four detected polarization states and the Pancharatnam-Berry geometric phase characteristics of the liquid crystal material. This research holds significance as it advances our comprehension of single-shot QPM utilizing geometric phase and holds the potential to revolutionize real-time monitoring and 3D visualization across diverse biological scenarios.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Ana Espinosa-Momox, Brandon Norton, Rosario Porras-Aguilar, "Quantitative phase microscopy in a single-shot using the Pancharatnam-Berry geometric phase," Proc. SPIE 12852, Quantitative Phase Imaging X, 128520P (12 March 2024); https://doi.org/10.1117/12.3009942