Abstract: Temperature monitoring of tissue (in vitro) and human skin (in vivo) during Ar-laser irradiation with the help of a radiometric temperature sensor based on IR silver halide optical fibers is presented. Fiber optic radiometry makes possible accurate temperature measurement and does not require contact with the heated biological object. Using a IR silver halide fiberoptic radiometric thermometer we obtained accurate temperature rise-decay dependencies of the heated biological object and demonstrated the non- uniform temperature distributions in them. !5
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