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Proceedings Paper

Alterations of absorption coefficient of tissue water as a result of the heating under the IR-FEL radiation with different wavelengths
Author(s): Emil N. Sobol; Alexander P. Sviridov; Moishe S. Kitai; Jonathan M. Gilligan; Glenn S. Edwards
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Paper Abstract

The effect of temperature dependent shift of water absorption band, known for pure water, has been examined, for the first time, for tissue water, using the IR Free Electron Laser radiation. Cooling kinetics of cartilage and cornea irradiated was measured with a fluorimeter. We have modified the computation algorithm to calculate the optical properties from these measurements more precisely. Temperature dependence of the absorption coefficient of tissue water is studied, for both sides of water absorption bands at 3.0 and 6.1 micrometers . It is shown that cooling kinetics for samples irradiated with small laser intensity is the same, for both wavelengths of each pair: 6.2 and 6.0; 6.35 and 5.92; 3.22 and 2.81; 3.15 and 2.87 micrometers .

Paper Details

Date Published: 28 April 2000
PDF: 11 pages
Proc. SPIE 3925, Biomedical Applications of Free-Electron Lasers, (28 April 2000); doi: 10.1117/12.384255
Show Author Affiliations
Emil N. Sobol, Institute of Laser and Information Technologies (Russia)
Alexander P. Sviridov, Institute of Laser and Information Technologies (Russia)
Moishe S. Kitai, Institute of Laser and Information Technologies (United States)
Jonathan M. Gilligan, Vanderbilt Univ. (United States)
Glenn S. Edwards, Vanderbilt Univ. (United States)

Published in SPIE Proceedings Vol. 3925:
Biomedical Applications of Free-Electron Lasers
Glenn S. Edwards; John Clark Sutherland, Editor(s)

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