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11 March 2020 Quantitative imaging of anisotropic dynamics enabled by polarized shearing interferometric microscopy (Conference Presentation)
Baoliang Ge, Qing Zhang, Renjie Zhou, Zahid Yaqoob, Irmgard Bischofberger, Peter T. C. So
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Proceedings Volume 11249, Quantitative Phase Imaging VI; 112490I (2020) https://doi.org/10.1117/12.2543538
Event: SPIE BiOS, 2020, San Francisco, California, United States
Abstract
Quantitative imaging of anisotropic dynamics, such as liquid crystal flows, becomes more and more important nowadays . Therefore, there is great demand to develop high-speed quantitative polarization imaging techniques. We propose a novel single-shot, highly accurate and sensitive quantitative polarization imaging technique, called polarized shearing interference microscopy (PSIM), to explore the dynamical properties of disodium cromoglycate (DSCG) under flow at different flow rates. We determine the retardance and orientation angle of DSCG under flow, and show that their spatial and temporal auto-correlation will reduce when the flow rate increases, which is in agreement with the theoretical results based on dimensional analysis of nematic dynamics .
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Baoliang Ge, Qing Zhang, Renjie Zhou, Zahid Yaqoob, Irmgard Bischofberger, and Peter T. C. So "Quantitative imaging of anisotropic dynamics enabled by polarized shearing interferometric microscopy (Conference Presentation)", Proc. SPIE 11249, Quantitative Phase Imaging VI, 112490I (11 March 2020); https://doi.org/10.1117/12.2543538
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KEYWORDS
Interferometry
Microscopy
Polarization
Liquid crystals
Polarized microscopy
Imaging systems
Inspection
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