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Conferences > ECBO > 2019 > AITII > 11074_22

In vivo Time Domain Speckle Contrast Optical Spectroscopy

M. Pagliazzi, E. E. Vidal-Rosas, S. Konugolu Venkata Sekar, L. Di Sieno, L. Colombo, D. Contini, A. Torricelli, A. Pifferi, A. Dalla Mora, J. P. Culver, and T. Durduran

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Abstract

We propose a time domain speckle contrast optical spectroscopy (SCOS) system that makes use of a gated detector and pulsed light source to measure the blood flow variations at very short, quasi-null (<3mm) source-detector separation. We present the results of a human arm cuff occlusion and a comparison with standard SCOS, highlighting that we can probe deeper into tissue, reduce probe footprint, make efficient use of the signal and decrease cost.

© 2019 SPIE/OSA

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