光源、边界和异质性对光子迁移的影响

Advances in Optical Imaging and Photon Migration Pub Date : 1900-01-01 DOI:10.1364/aoipm.1994.apmpdwi.83

S. Jacques, M. Ostermeyer, Lihong V. Wang, A. Hielscher

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引用次数: 0

摘要

本文考虑了有关扩散理论在计算光子密度波时的适用性的三个问题:(1)定向光源，如准直光束;(2)边界(如:(3)非均质性(如空气/组织界面)。(肿瘤或血管)。非均质性在[cm-1]中具有不同于周围背景组织特性的吸收(µa)和散射(µs' =µs(1-g))光学特性，并通过虚拟源叠加方法(SVS方法)进行处理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effects of Sources, Boundaries, and Heterogeneities on Photon Migration

This paper considers three issues regarding the suitability of diffusion theory for calculations of photon density waves: (1) Directed sources, such as a collimated beam, (2) Boundaries (eg., an air/tissue interface), and (3) Heterogeneities (eg., tumor or vessel). Heterogeneities have optical properties of absorption (µa) and scattering (µs' = µs(1-g)) in [cm-1] which differ from the surrounding background tissue properties, and are treated by a method of superposition of virtual sources (the SVS Method).

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Advances in Optical Imaging and Photon Migration

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