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http://dx.doi.org/10.12925/jkocs.2007.24.4.5

Verification on Diffusion of Beam Propagation in Randomly Distributed Scattering Medium  

Kim, Ki-Jun (Department of Chemical Engineering, Daejin Uni.)
Lee, Hoo-Seol (Department of Chemical Engineering, Daejin Uni.)
Publication Information
Journal of the Korean Applied Science and Technology / v.24, no.4, 2007 , pp. 354-361 More about this Journal
Abstract
The distribution of light in a randomly scattering medium can represent problems found in many area. Particularly, in the clinical application of lasers for Photodynamic therapy(PDT) or in the fluorescence spectroscopy for biological tissue, turbidity plays a very important role. The influences of fluorophor, scatterer, and absorber in turbid material by light scattering were interpreted for the scattered fluorescence intensity and wavelength. The molecular properties have been studied by laser induced fluorescence spectroscopy in scattering medium as tissue. It has been found that the effects of optical properties in scattering media could be investigated by the optical $parameters({\mu}_s$, ${\mu}_a$ ,${\mu}t)$. Experimental and Monte Carlo simulation method for modelling light transport in tissue was applied. The experimental results using a randomly distributed scattering medium were discussed and compared with those obtained through Monte Carlo simulation. It'll be also important in designing the best model for oil chemistry, medicine and application of medical engineering.
Keywords
photodynamic therapy; scattering medium; scatterer; fluorophor; optical parameters; medical engineering;
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