نتایج جستجو برای: random medium

تعداد نتایج: 514304  

1996
N C Bruce Yu N Barabanenkov J C Dainty V D Ozrin

Diffuse reflection of a narrow collimated light beam from a slab of a dense random medium is considered theoretically and experimentally for the case of the source and the detector fibres dipped into the random medium, as is the case for an endoscopic catheter. By use of the diffusion approximation, a simple and physically clear analytical expression is derived for the distribution of the diffu...

2010
Ben Payne Jonathan Andreasen Hui Cao Alexey Yamilov

In this work, we investigate a possibility of using the ratio between optical transmission, T, and energy stored inside the system, E, as a quantitative measure of the enhanced mesoscopic corrections to diffusive transport of light through a random medium with gain. We obtain an expression for T /E as a function of amplification strength in the diffusive approximation and show that it does not ...

Journal: :Journal of Quantitative Spectroscopy and Radiative Transfer 2002

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