Model of optical phantoms thermal response upon irradiation with 975 nm dermatological laser

M. S. Wróbel; A. N. Bashkatov; A. N. Yakunin; Yu. A. Avetisyan; E. A. Genina; S. Galla; A. Sękowska; D. Truchanowicz; A. Cenian; M. Jędrzejewska-Szczerska; V. V. Tuchin

doi:10.1117/12.2317566

26 April 2018 Model of optical phantoms thermal response upon irradiation with 975 nm dermatological laser

M. S. Wróbel, A. N. Bashkatov, A. N. Yakunin, Yu. A. Avetisyan, E. A. Genina, S. Galla, A. Sękowska, D. Truchanowicz, A. Cenian, M. Jędrzejewska-Szczerska, V. V. Tuchin

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Proceedings Volume 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX; 1071604 (2018) https://doi.org/10.1117/12.2317566
Event: Saratov Fall Meeting 2017, 2017, Saratov, Russian Federation

Abstract

We have developed a numerical model describing the optical and thermal behavior of optical tissue phantoms upon laser irradiation. According to our previous studies, the phantoms can be used as substitute of real skin from the optical, as well as thermal point of view. However, the thermal parameters are not entirely similar to those of real tissues thus there is a need to develop mathematical model, describing the thermal and optical response of such materials. This will facilitate the correction factors, which would be invaluable in translation between measurements on skin phantom to real tissues, and gave a good representation of a real case application.

Here, we present the model dependent on the data of our optical phantoms fabricated and measured in our previous preliminary study. The ambiguity between the modeling and the thermal measurements depend on lack of accurate knowledge of material's thermal properties and some exact parameters of the laser beam. Those parameters were varied in the simulation, to provide an overview of possible parameters' ranges and the magnitude of thermal response.

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M. S. Wróbel, A. N. Bashkatov, A. N. Yakunin, Yu. A. Avetisyan, E. A. Genina, S. Galla, A. Sękowska, D. Truchanowicz, A. Cenian, M. Jędrzejewska-Szczerska, and V. V. Tuchin "Model of optical phantoms thermal response upon irradiation with 975 nm dermatological laser", Proc. SPIE 10716, Saratov Fall Meeting 2017: Optical Technologies in Biophysics and Medicine XIX, 1071604 (26 April 2018); https://doi.org/10.1117/12.2317566

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KEYWORDS

Tissue optics

Thermal modeling

Thermography

Skin

Optical phantoms

Laser irradiation

Monte Carlo methods

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