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)
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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https://urn.fi/URN:NBN:fi-fe202103096842
Tiivistelmä
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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