Monte Carlo simulation of light propagation in skin tissue phantoms using a parallel computing method

Di M. Wu; S. S. Zhao; Jun Q. Lu; Xin-Hua Hu

doi:10.1117/12.388054

13 June 2000 Monte Carlo simulation of light propagation in skin tissue phantoms using a parallel computing method

Di M. Wu, S. S. Zhao, Jun Q. Lu, Xin-Hua Hu

Proceedings Volume 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical; (2000) https://doi.org/10.1117/12.388054
Event: BiOS 2000 The International Symposium on Biomedical Optics, 2000, San Jose, CA, United States

Abstract

In Monte Carlo simulations of light propagating in biological tissues, photons propagating in the media are described as classic particles being scattered and absorbed randomly in the media, and their path are tracked individually. To obtain any statistically significant results, however, a large number of photons is needed in the simulations and the calculations are time consuming and sometime impossible with existing computing resource, especially when considering the inhomogeneous boundary conditions. To overcome this difficulty, we have implemented a parallel computing technique into our Monte Carlo simulations. And this moment is well justified due to the nature of the Monte Carlo simulation. Utilizing the PVM (Parallel Virtual Machine, a parallel computing software package), parallel codes in both C and Fortran have been developed on the massive parallel computer of Cray T3E and a local PC-network running Unix/Sun Solaris. Our results show that parallel computing can significantly reduce the running time and make efficient usage of low cost personal computers. In this report, we present a numerical study of light propagation in a slab phantom of skin tissue using the parallel computing technique.

Citation Download Citation

Di M. Wu, S. S. Zhao, Jun Q. Lu, and Xin-Hua Hu "Monte Carlo simulation of light propagation in skin tissue phantoms using a parallel computing method", Proc. SPIE 3914, Laser-Tissue Interaction XI: Photochemical, Photothermal, and Photomechanical, (13 June 2000); https://doi.org/10.1117/12.388054

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