Theoretical model of CO2 laser ablation of soft-tissue phantoms |
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| Authors: | E N Sobol M Makropoulou A A Serafetinides D Yova |
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| Institution: | (1) Laser Chemistry Research Center, Russian Branch of World Laboratory, Moscow, Russia;(2) Research Center for Technological Lasers, Russian Academy of Sciences, Moscow, Russia;(3) Physics Department, National Technical University of Athens (NTUA), Athens, Greece;(4) Department of Electrical Engineering and Computing, NTUA, Athens, Greece |
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| Abstract: | Summary A model of thermal laser ablation of soft tissues is developed taking into consideration two mechanisms: evaporation and liquid
moving, due to vapour pressure gradient. Usually a soft tissue is modelled as a single-component material with thermal and
optical properties very similar to those of water. We examined the non-stable kinetics of the evaporation process, for short-pulse
infrared laser ablation of soft tissues, and we also calculated the average liquid velocity and the ablation rates under vapour
pressure gradient. The theoretical results are in good agreement with previous reported experimental data on gelatin and polyacrylamide
tissue phantoms
The authors of this paper have agreed to not receive the proofs for correction |
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| Keywords: | Biooptics (effects of microwaves light laser radiation and other nonionizing electromagnetic waves) |
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