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Proceedings Paper

Laser light scattering in epidermis structure diagnostics
Author(s): Valery V. Tuchin; Dmitry A. Zimnyakov; Sergei R. Utz M.D.; Serge A. Lepestkin; I. I. Polyakov
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Paper Abstract

To develop methods of some skin diseases diagnostics and of these diseases treatment monitoring the experimental investigations of the laser beam scattered by epidermis thin layers have been carried out. For the analysis of the specific structures with typical sizes about 101 - 103 micrometers in the human upper skin layers the coherent optical analyzer (COA) has been developed. By means of COA the spatial distributions of epidermis strippings amplitude-phase transmission functions were investigated. The spatial power spectrum (SPS) instantaneous values registration for various spatial frequencies at the mechanical scanning of a pattern in direction, normal to the system's optical axis, was carried out. The registration was fulfilled by means of the specialized pulse-counting registrator of photo-electric signals. Well marked differences have been discovered between level crossing statistics for normal and psoriatic skin.

Paper Details

Date Published: 21 July 1993
PDF: 8 pages
Proc. SPIE 1884, Static and Dynamic Light Scattering in Medicine and Biology, (21 July 1993); doi: 10.1117/12.148362
Show Author Affiliations
Valery V. Tuchin, Saratov State Univ. (Russia)
Dmitry A. Zimnyakov, Blagonravov Mechanical Engineering Institute/Saratov (Russia)
Sergei R. Utz M.D., Institute of Rural Hygiene (Russia)
Serge A. Lepestkin, Blagonravov Mechanical Engineering Institute/Saratov (Russia)
I. I. Polyakov, Blagonravov Mechanical Engineering Institute/Saratov (Russia)

Published in SPIE Proceedings Vol. 1884:
Static and Dynamic Light Scattering in Medicine and Biology
Ralph J. Nossal; Robert Pecora; Alexander V. Priezzhev, Editor(s)

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