The Monte Carlo method to simulate the trajectories of a large number of photon packets on a multilayer biotissue
Izabella. A. Serebryakova1, Yanwen Xu2, Qing Xia2, Dongyu Li2, Dan Zhu2, Elina A. Genina1,3, Valery V. Tuchin1,3,4; 1Saratov State University, Saratov, Russia, 2Huazhong University of Science and Technology, Wuhan, Hubei, China, 3Tomsk State University, Tomsk, Russia, 4Institute of Precision Mechanics and Control RAS, Saratov, Russia
Abstract
Understanding how photons propagate within and escape from a tissue is necessary for proper interpretation of optical diagnostic measurements. The field of biomedical optics and biophotonics is currently very actively using computer simulations of light transport to guide clinical protocols and develop optical tools for medicine and biology. The program simulates the trajectories of photon packets through a multi-layered medium, taking into account absorption, scattering, and transmission processes. The simulation is performed for 100 000 photon packets, and the positions of each photon packet are recorded.
The program saves the simulated photon trajectories to text files, visualizes these trajectories in both 3D and 2D plots, and saves the input parameters of the simulation for future reference. The visualizations include clear demarcations of the layers within the medium, providing a comprehensive view of the photon propagation through the multi-layered structure.
The study was supported by a grant of the Russian Science Foundation No. 24-44-00082.
Speaker
Serebryakova Isabella Anatolyevna
Saratov State University
Russia
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