Method for estimation of the fraction of Doppler-shifted photons in light scattered by a mixture of moving and stationary scatterers

Alexander N. Serov; Wiendelt Steenbergen; Frits F. M. de Mul

doi:10.1117/12.381488

6 April 2000 Method for estimation of the fraction of Doppler-shifted photons in light scattered by a mixture of moving and stationary scatterers

Alexander N. Serov, Wiendelt Steenbergen, Frits F. M. de Mul

Author Affiliations +

Proceedings Volume 4001, Saratov Fall Meeting '99: Optical Technologies in Biophysics and Medicine; (2000) https://doi.org/10.1117/12.381488
Event: Saratov Fall Meeting '99, 1999, Saratov, Russian Federation

Abstract

A method for the absolute determination of the fraction of Doppler-shifted photons in light scattered by mixture of moving and stationary scatterers is proposed. It based on the theoretical approach developed in our group to predict the signal power fluctuations of an integrated Doppler- induced speckle pattern on the photodetector. A benefit of using a multimode step-index optical fiber as a scattering sample-to-detector interface is considered. An experimental validation of the method has been performed and experimentally obtained data are in a good agreement with the theory. As one of a practical application of the method the fraction of Doppler-shifted photons in light backscattered from human skin has been measured and the results are reported.

Citation Download Citation

Alexander N. Serov, Wiendelt Steenbergen, and Frits F. M. de Mul "Method for estimation of the fraction of Doppler-shifted photons in light scattered by a mixture of moving and stationary scatterers", Proc. SPIE 4001, Saratov Fall Meeting '99: Optical Technologies in Biophysics and Medicine, (6 April 2000); https://doi.org/10.1117/12.381488

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