An endoscopic multi-exposure laser speckle contrast analysis system for blood flow and microcirculation measurements

M. Tziraki; Lipei Song; D. S. Elson

doi:10.1117/12.2078225

6 March 2015 An endoscopic multi-exposure laser speckle contrast analysis system for blood flow and microcirculation measurements

M. Tziraki, Lipei Song, D. S. Elson

Author Affiliations +

Proceedings Volume 9327, Optical Elastography and Tissue Biomechanics II; 93270B (2015) https://doi.org/10.1117/12.2078225
Event: SPIE BiOS, 2015, San Francisco, California, United States

Abstract

We present a dual wavelength endoscope which uses Endoscopic Laser Speckle Contrast Analysis (ELASCA) with the aim to image tissue blood flow and perfusion during surgical procedures. In this study we measure speckle decorelation times, which are associated with flow, by imaging speckle patterns at a wide range of detector exposure times. In order to understand the effects of image collection efficiency and sample scattering properties, control experiments with different optical systems were performed by imaging of tissue mimicking phantoms and inferring their flow parameters.

Citation Download Citation

M. Tziraki, Lipei Song, and D. S. Elson "An endoscopic multi-exposure laser speckle contrast analysis system for blood flow and microcirculation measurements", Proc. SPIE 9327, Optical Elastography and Tissue Biomechanics II, 93270B (6 March 2015); https://doi.org/10.1117/12.2078225

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