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Proceedings Paper

Scattering of electromagnetic waves by rough surfaces as a part of interaction of laser light with biotissues
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Paper Abstract

Among different problems in different theories of laser light propagation and scattering in biological tissues there is one (especially for laser illumination), which is now not yet widely discussed in application to biomedical optics - the effect of boundary roughnesses. But this effect can have potentially a strong influence on a total light field into a tissue. So the development of different theoretical methods and models to calculate a surface scattering is the important problem in biomedical optics. One of such theoretical approach can be based on the electromagnetic wave diffraction theory (EWDT) if the peculiarities of optical waveband will be taken into account. The basis exact EWDT allows to determine the scattering field from the perfectly conducting rough surfaces in relative units or in the terms of radiophysical cross section. For light wavelengths in biomedical optics, another conducting boundary condition is needed, and the result must be presented in optical terms and absolute units. The use of EWDT in application to the biomedical optics becomes possible by means of exact comparative analysis of the essential conceptions of the photometry and diffraction theories, which has been made in this work.

Paper Details

Date Published: 27 June 2002
PDF: 10 pages
Proc. SPIE 4617, Laser Tissue Interaction XIII: Photochemical, Photothermal, and Photomechanical, (27 June 2002); doi: 10.1117/12.472533
Show Author Affiliations
Dmitrii A. Rogatkin, Moscow Regional Research and Clinical Institute MONIKI (Russia)
Vladimir V. Tchernyi, Moscow Regional Research and Clinical Institute MONIKI (Russia)

Published in SPIE Proceedings Vol. 4617:
Laser Tissue Interaction XIII: Photochemical, Photothermal, and Photomechanical
Steven L. Jacques; Donald Dean Duncan; Donald Dean Duncan; Sean J. Kirkpatrick; Sean J. Kirkpatrick; Andres Kriete; Andres Kriete, Editor(s)

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