Analysis of the spatial distribution of detector sensitivity in a multilayer randomly inhomogeneous medium with strong light scattering and absorption by the Monte Carlo method

Autor:	I. V. Meglinskiĭ, S. D. Matcher
Rok vydání:	2001
Předmět:	Materials science business.industry Monte Carlo method Detector Radiation Laser Atomic and Molecular Physics and Optics Light scattering Electronic Optical and Magnetic Materials law.invention Optics law Optical radiation Photonics Absorption (electromagnetic radiation) business
Zdroj:	Optics and Spectroscopy. 91:654-659
ISSN:	1562-6911 0030-400X
DOI:	10.1134/1.1412689
Popis:	The spatial distribution of sensitivity in the domain of detection of a fiber-optic sensor used for spectrophotometric studies of skin and other biological tissues is studied. The method and results of modeling the propagation of optical radiation in multilayer randomly inhomogeneous media with strong light scattering and absorption are presented. Owing to the small distances between the source and detector (100–800 μm), the propagation of radiation in the medium under study is modeled by the Monte Carlo method combining the calculation of true paths and the use of statistical weights. For the same reason, we represent the surface and interfaces of layers of skin as rough randomly periodic surfaces corresponding to the actual structure of human skin. The method presented can be recommended as a means for the optimum selection of an arrangement for radiation incoupling and outcoupling.
Databáze:	OpenAIRE
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