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22 May 1995 Phenomenon of hydrodynamic cooling of biotissues irradiated by short laser pulses
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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.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Georgi I. Zheltov, Alexander S. Podol'tsev, A. I. Kirkovsky, and E. I. Witkin "Phenomenon of hydrodynamic cooling of biotissues irradiated by short laser pulses", Proc. SPIE 2393, Ophthalmic Technologies V, (22 May 1995);

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