New computer code for calculation of radiation and heat fields in laser-irradiated tissues

Alexander V. Lappa; Alla S. Anikina; Vladimir A. Kamalov

doi:10.1117/12.388071

13 June 2000 New computer code for calculation of radiation and heat fields in laser-irradiated tissues

Alexander V. Lappa, Alla S. Anikina, Vladimir A. Kamalov

Proceedings Volume 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical; (2000) https://doi.org/10.1117/12.388071
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

A non-stationary two-dimensional computer code for modelling of radiation and heat transport in heterogeneous biological tissues irradiated with laser is presented. Radiation transport is considered in the kinetic model, radiation transport equation is solved by the Monte Carlo method. Heat transport is considered in the heat conduction model, the heat equation is solved by a combination of Galerkin and the finite element methods. The code has passed a number of tests including comparisons with analytical solutions, numerical calculations of other authors, and with experimental results. The code can be used for working out and designing of laser surgical and therapeutic procedures. As well it can be used in inverse problem of experimental determination of optical and thermal parameters of biological tissues.

Citation Download Citation

Alexander V. Lappa, Alla S. Anikina, and Vladimir A. Kamalov "New computer code for calculation of radiation and heat fields in laser-irradiated tissues", Proc. SPIE 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical, (13 June 2000); https://doi.org/10.1117/12.388071

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KEYWORDS

Tissues

Chemical elements

Monte Carlo methods

Computer programming

Convection

Photons

Modeling

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