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Proceedings Paper

Simulation of skin near-infrared reflectance spectrum
Author(s): Cheng-Lun Tsai; Yi-Sheong Chou; Jen-Yuan Tsai
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Paper Abstract

Light propagation and the intensity distribution in a biological tissue are characterized by its optical properties. The purpose of this study is to find out how the optical properties affect the profile of skin reflectance spectrum. A Monte Carlo simulation was performed to simulate the skin near-infrared reflectance spectrum in the spectral region between 900 nm and 1300 nm. The absorption coefficient of tissue was determined from the absorption properties and volume fractions of tissue constituents. The simulated reflectance spectra were compared with the skin reflectance spectra measured by a bifurcated fiber bundle. The simulation results show that most of the detected reflectance was scattered back by the dermis tissue. The scattering coefficient and anisotropy factor can be adjusted to modify the simulation result to match the measured spectrum. This inversion technique could be used to determine the scattering and anisotropy properties of skin tissue.

Paper Details

Date Published: 14 June 1999
PDF: 8 pages
Proc. SPIE 3601, Laser-Tissue Interaction X: Photochemical, Photothermal, and Photomechanical, (14 June 1999); doi: 10.1117/12.350016
Show Author Affiliations
Cheng-Lun Tsai, Chung-Yuan Christian Univ. (Taiwan)
Yi-Sheong Chou, Chung-Yuan Christian Univ. (Taiwan)
Jen-Yuan Tsai, Chung-Yuan Christian Univ. (Taiwan)

Published in SPIE Proceedings Vol. 3601:
Laser-Tissue Interaction X: Photochemical, Photothermal, and Photomechanical
Steven L. Jacques; David H. Sliney; Gerhard J. Mueller; Gerhard J. Mueller; Andre Roggan; Andre Roggan; David H. Sliney, Editor(s)

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