Fully automated digital holographic processing for monitoring the dynamics of a vesicle suspension under shear flow

Abstract : We investigate the dynamics of a vesicle suspension under shear flow between plates using DHM with a spatially reduced coherent source. Holograms are grabbed at a frequency of 24 frames/sec. The distribution of the vesicle suspension is obtained after numerical processing of the digital holograms sequence resulting in a 4D distribution. Obtaining this distribution is not straightforward and requires special processing to automate the analysis. We present an original method that fully automates the analysis and provides distributions that are further analyzed to extract physical properties of the fluid. Details of the numerical implementation, as well as sample experimental results are presented.
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Biomedical optics express, Optical Society - SOA Publishing, 2014, 5, pp.1554-1568. 〈10.1364/BOE.5.001554〉
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Christophe Minetti, Thomas Podgorski, Gwennou Coupier, Frank Dubois. Fully automated digital holographic processing for monitoring the dynamics of a vesicle suspension under shear flow. Biomedical optics express, Optical Society - SOA Publishing, 2014, 5, pp.1554-1568. 〈10.1364/BOE.5.001554〉. 〈hal-00980352〉

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