Investigation of speckle pattern dynamics by laser speckle contrast imaging

Anton Sdobnov; Alexander Bykov; Alexey Popov; Evgeny Zherebtsov; Igor Meglinski

doi:10.1117/12.2306631

17 May 2018 Investigation of speckle pattern dynamics by laser speckle contrast imaging

Anton Sdobnov, Alexander Bykov, Alexey Popov, Evgeny Zherebtsov, Igor Meglinski

Proceedings Volume 10685, Biophotonics: Photonic Solutions for Better Health Care VI; 1068509 (2018) https://doi.org/10.1117/12.2306631
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

Laser speckle contrast imaging (LSCI) is a simple and quite powerful method for visualization of flow, microcirculation and perfusion. In current study the speckle contrast variations towards breaking ergodicity conditions are considered with a final aim of envision a practical approach allowing real-time imaging of variations in dynamic properties of complex fluids with an opportunity of quantitative interpretation of the obtained flowing map. As example of systems with static to dynamic transition, melting of Intralipid samples were studied. Also, investigation of influence of static layer thickness above the dynamic sample on the ergodicity condition has been studied.

Conference Presentation

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Anton Sdobnov, Alexander Bykov, Alexey Popov, Evgeny Zherebtsov, and Igor Meglinski "Investigation of speckle pattern dynamics by laser speckle contrast imaging", Proc. SPIE 10685, Biophotonics: Photonic Solutions for Better Health Care VI, 1068509 (17 May 2018); https://doi.org/10.1117/12.2306631

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