Radiance distributions in biological tissue and the diffusion approxiamtion

摘要

Based on the Monte Carlo simulation, the radiance distributions of differnet optical properties in biological tissue are given. From the anisotropy of the radiance, the approxiamtion condition of diffuse theory is discussed intensively. It can be concluded that the reduced scattering dominant to absorption be unnecessary. In addition, the reflective radiance distributions on the boundaries show that surface of biological tissues be not ideal Lambertian diffuser.