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Continuous laser radiation effect at 1.06 microns on gastrointestinal tract
V A Korolyov1, V V Grigoryants
1Institute of Radioengineering and Electronics, USSR Academy of Sciences, Moscow.
Lasers in Surgery and Medicine
|January 1, 1990
Abstract:
The thermal effect of 1.06 microns YAG:Nd laser irradiation at temperature conditions up to 100 degrees C without crater formation on gastrointestinal (GI) tissue samples was investigated. The theoretical and experimental data show that at an intensity of 160-400 W/cm2 laser-induced heating of the tissue with an initial temperature of 20 degrees C leads to coagulation lesions at a temperature no less than 60 degrees C and at a depth of 1.7-2.1 mm.