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Proceedings Paper

Phenomenon of hydrodynamic cooling of biotissues irradiated by short laser pulses
Author(s): Georgi I. Zheltov; Alexander S. Podol'tsev; A. I. Kirkovsky; E. I. Witkin
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Paper Abstract

Action on biotissues of power laser pulses about 20 nsec was investigated by using high level mathematical model. The system of equations contains five unknown functions: temperature, pressure, axial and radial convection velocity, density. The 2D solution gives these functions depending upon the laser pulse shape and duration, power and spectral band of radiation. Calculations have been carried out for eye's fundus tissues. It has been found a kind of feedback between radiation power and rate of local tissue cooling. An increase in the irradiation power is accompanied by the growth of convective heat transfer and rate of medium cooling. Peculiarity of this phenomenon have been studied.

Paper Details

Date Published: 22 May 1995
PDF: 6 pages
Proc. SPIE 2393, Ophthalmic Technologies V, (22 May 1995); doi: 10.1117/12.209837
Show Author Affiliations
Georgi I. Zheltov, Stepanov Institute of Physics (Belarus)
Alexander S. Podol'tsev, Stepanov Institute of Physics (Belarus)
A. I. Kirkovsky, Stepanov Institute of Physics (Belarus)
E. I. Witkin, Stepanov Institute of Physics (Belarus)

Published in SPIE Proceedings Vol. 2393:
Ophthalmic Technologies V
Jean-Marie Parel; Qiushi Ren; Karen Margaret Joos, Editor(s)

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