The three-layered mismatched media diffusion equation in frequency domain

Xichang Wang; Shumei Wang; Zhaokun Meng; Shangming Yang

doi:10.1117/12.709803

27 October 2006 The three-layered mismatched media diffusion equation in frequency domain

Xichang Wang, Shumei Wang, Zhaokun Meng, Shangming Yang

Proceedings Volume 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine; 604707 (2006) https://doi.org/10.1117/12.709803
Event: Fourth International Conference on Photonics and Imaging in Biology and Medicine, 2005, Tianjin, China

Abstract

Near-IR radiation has great potential in medical diagnosis and therapy because of the non-invasive nature of light and the selectively poisonous effect to tumors of photodynarnic treatment. Therefore, Near-IR light propagation in highly scattering biological tissue must be understudied for basic research and clinical application of biomedical optics. A tissue is multi-layered mismatched medium, but many investigators only study the diffusion equation of matched medium. they take the tissue as the same refractive index. In order to understand the light transport in tissue, We analyze the diffusion of photons three-layered mismatched medium and set up the solution of Green's function in frequency domain, we employ the extrapolated boundary condition to set up a solution of the diffusion equation. At the same time, we utilize the diffuse equation to calculate the phase in different situation

Citation Download Citation

Xichang Wang, Shumei Wang, Zhaokun Meng, and Shangming Yang "The three-layered mismatched media diffusion equation in frequency domain", Proc. SPIE 6047, Fourth International Conference on Photonics and Imaging in Biology and Medicine, 604707 (27 October 2006); https://doi.org/10.1117/12.709803

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