Imitation of ultra-sharp light focusing within turbid tissue-like scattering medium by using time-independent Helmholtz equation and method Monte Carlo

Buligin, A.; Kistenev, Y. V.; Meglinski, I.; Danilkin, E. A.; Vrazhnov, D. A. (2020-11-17)
 
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https://doi.org/10.1117/12.2582667

Buligin, A.
Kistenev, Y. V.
Meglinski, I.
Danilkin, E. A.
Vrazhnov, D. A.
SPIE
17.11.2020

A. D. Buligin, Y. V. Kistenev, I. Meglinski, E. A. Danilkin, and D. A. Vrazhnov "Imitation of ultra-sharp light focusing within turbid tissue-like scattering medium by using time-independent Helmholtz equation and method Monte Carlo", Proc. SPIE 11582, Fourth International Conference on Terahertz and Microwave Radiation: Generation, Detection, and Applications, 115821N (17 November 2020); https://doi.org/10.1117/12.2582667

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doi:https://doi.org/10.1117/12.2582667
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Abstract

Based on time-independent Helmholtz equation and its solution in frame of inhomogeneous approximation a hybrid computational method for imitation of propagation of bounded laser beam focused into biological tissue is introduced. The biological tissue is simulated as a semi-infinite randomly inhomogeneous medium. The developed approach is intended to model laser beams in the super-sharp focusing mode. The results of modeling of laser light focusing into the turbid tissue-like scattering medium with lenses of various shapes are presented.

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