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Proceedings Paper

Path length resolved Doppler measurements of multiple scattered photons in turbid media for various absorptions using phase modulated low-coherence interferometry
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Paper Abstract

We report the development of non-invasive, path length resolved Doppler measurements of the multiply scattered light in turbid media, for different absorptions using phase modulated Mach-Zehnder low coherence interferometer, with separate fibers for illumination and detection. A Doppler broadened phase modulation interference peak is observed that shows an increase in the average Doppler shift with optical path length, independent of absorption. The estimated path length distributions indicate suppression and narrowing for increasing absorption and can be related by Lambert-Beer's law.

Paper Details

Date Published: 14 April 2006
PDF: 8 pages
Proc. SPIE 6191, Biophotonics and New Therapy Frontiers, 619119 (14 April 2006); doi: 10.1117/12.661618
Show Author Affiliations
Babu Varghese, Univ. Twente (Netherlands)
Vinayakrishnan Rajan, Univ. Twente (Netherlands)
Ton G. Van Leeuwen, Univ. Twente (Netherlands)
Academic Medical Ctr. (Netherlands)
Wiendelt Steenbergen, Univ. Twente (Netherlands)

Published in SPIE Proceedings Vol. 6191:
Biophotonics and New Therapy Frontiers
Romualda Grzymala; Olivier Haeberle, Editor(s)

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