publication . Other literature type . Conference object . Contribution for newspaper or weekly magazine . 2018

Investigation of speckle pattern dynamics by laser speckle contrast imaging

Alexey Popov; Evgeny Zherebtsov; Anton Sdobnov;
Open Access English
  • Published: 17 May 2018
  • Publisher: Unpublished
<p>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 b...
free text keywords: ergodicity, motion estimation, optical imaging, Speckle contrast, speckle pattern, /dk/atira/pure/subjectarea/asjc/2500/2504, Electronic, Optical and Magnetic Materials, /dk/atira/pure/subjectarea/asjc/3100/3104, Condensed Matter Physics, /dk/atira/pure/subjectarea/asjc/1700/1706, Computer Science Applications, /dk/atira/pure/subjectarea/asjc/2600/2604, Applied Mathematics, /dk/atira/pure/subjectarea/asjc/2200/2208, Electrical and Electronic Engineering

[1] Fercher, A.F. and Briers, J.D., “Flow visualization by means of single-exposure speckle photography,” Opt. commun., 37(5), 326-330 (1981). [OpenAIRE]

[2] Goodman, J.W., [Laser speckle and related phenomena], Springer Berlin Heidelberg, 9-75 (1975).

[3] Zakharov, P., Scheffold, F. and Weber, B. “Laser Speckle Imaging of Cerebral Blood Flow,” Opt. Im. of Neocort. Dynam., 85 (2014).

[4] Cheng, H., Luo, Q., Zeng, S., Chen, S., Cen, J. and Gong, H., “Modified laser speckle imaging method with improved spatial resolution,” J. Biomed. Opt. 8(3), 559-564 (2003).

[5] Kalchenko, V., Kuznetsov, Y.L., Prise, D., Meglinski, I. and Harmelin, A., “Mouse ear swelling test for weak allergens by using laser speckle imaging with the long exposure time,” J. Biomed. Opt. 19(6), 60502 (2014). [OpenAIRE]

[6] Abdurashitov, A. S., Lychagov, V. V., Sindeeva, O. A., Semyachkina-Glushkovskaya, O. V., and Tuchin, V. V., “Histogram analysis of laser speckle contrast image for cerebral blood flow monitoring,” Front. Optoel. 8(2), 187-194 (2015). [OpenAIRE]

Powered by OpenAIRE Research Graph
Any information missing or wrong?Report an Issue