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Chin. Opt. Lett.
 Home  List of Issues    Issue 12 , Vol. 06 , 2008    Noninvasive determination of absorption coefficient and reduced scattering coefficient of human skin tissues in vivo with oblique-incidence reflectometry


Noninvasive determination of absorption coefficient and reduced scattering coefficient of human skin tissues in vivo with oblique-incidence reflectometry
Ping Sun1, Yu Wang1, Xiaoli Mo2, Jinghui Xie2
1 Department of Physics, [Beijing Normal University], Beijing Area Major Laboratory of Applied Optics, Beijing 100875
2 School of Information Science and Technology, [Being Institute of Technology], Beijing 100081

Chin. Opt. Lett., 2008, 06(12): pp.932-934-3

DOI:
Topic:Medical optics and biotechnology
Keywords(OCIS Code): 170.0170  170.6930  120.5820  120.4530  

Abstract
A spatial distribution of diffuse reflectance produced by obliquely incident light is not centered about the point of light entry. The value of shift in the center of diffuse reflectance is directly related to the absorption coefficient \mu_{a} and the effective attenuation coefficient \mu_{eff}. \mu_{a} and the reduced scattering coefficient \mu^{'}_{s} of human skin tissues in vivo are measured by oblique-incidence reflectometry based on the two-source diffuse theory model. For ten Chinese volunteers aged 15-63 years, \mu_{a} and \mu^{'}_{s} are noninvasively determined to be 0.029-0.075 and 0.52-0.97 mm^{-1}, respectively.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2008-4-29
Accepted:
Posted online:


Note: This work was supported by the National Natural Science Foundation of China under Grant No.60577011. P. Sun's e-mail address is pingsun@bnu.edu.cn.

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