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Influence of the third-order parameter on diffuse reflectance at small source-detector separations

机译:在较小的源-检测器间距下,三阶参数对漫反射率的影响

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Spatially resolved reflectance close to source has received a great deal of attention recently. This research is considered to develop a new noninvasive technique for measuring the optical properties of biological media. Using Monte Carlo simulations, we investigated the influence of third-order parameter delta on diffuse reflectance and found that the reflectance decreased with an increase of delta at a short source-detector separation of approximately 0.7-2 transport mean free paths. We show that the effects of two parameters, gamma and second-order parameter delta, on the reflectance are contrary. As a result the influence of the second-order parameter gamma on the reflectance is irregular when the condition (DELTA)(delta)(DELTA)(gamma) is not satisfied.
机译:接近光源的空间分辨反射率最近受到了广泛关注。该研究被认为是开发一种用于测量生物介质光学特性的新的非侵入性技术。使用蒙特卡洛模拟,我们研究了三阶参数增量对漫反射率的影响,发现在短距离的源-检测器间隔约为0.7-2传输平均自由程的情况下,反射率随增量的增加而降低。我们表明,两个参数(伽玛和二阶参数delta)对反射率的影响是相反的。结果,当不满足条件Δδ<<Δγ时,二阶参数γ对反射率的影响是不规则的。

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