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Proceedings Paper

Heating of blood vessels exposed to laser light
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Paper Abstract

An advanced model of blood vessel heating by laser radiation is proposed for tasks of laser skin surgery and therapy. Blood vessel is modeled by infinite circular cylinder situated in skin dermis. Heat conduction equation taking into account the inhomogeneous internal source function is calculated. The source function inside the blood vessel is calculated according to the theory of diffraction of electromagnetic radiation on infinite circular cylinder. Dynamics of the temperature fields inside the vessels as a function of vessel diameters and duration of irradiance is calculated for the wavelength of 0.532 μm. It is determined the irradiance conditions whereby the near-homogeneous heating along the perimeter of walls of blood vessels on minimum laser exposure to surrounding tissues is achieved.

Paper Details

Date Published: 16 October 2003
PDF: 7 pages
Proc. SPIE 5142, Therapeutic Laser Applications and Laser-Tissue Interactions, (16 October 2003); doi: 10.1117/12.499998
Show Author Affiliations
Liudmila G. Astafyeva, B.I. Stepanov Institute of Physics (Belarus)
Georgy Zheltov, B.I. Stepanov Institute of Physics (Belarus)
Wolf-Dieter Schmidt, Gesellschaft fuer Medizin-, Bio- und Umwelttechnologien e.V. (Germany)

Published in SPIE Proceedings Vol. 5142:
Therapeutic Laser Applications and Laser-Tissue Interactions
Rudolf W. Steiner, Editor(s)

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