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Proceedings Paper

Numerical analysis scattering characteristic of the laser beam from pits on optical carrier
Author(s): Andrey A. Kryuchin; Anatoly S. Lapchuk; Vladimir A. Klimenko; Viacheslav V. Petrov
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Paper Abstract

The process of optical recording on ablation mechanism carriers shows a peculiar microrelief. The peculiarity of the latter is in the presence of an annular rim around the pit, of the carrier material arising by action of surface tension. This force on the liquid phase of microregion was subjected to the thermal action of a laser beam. During reading for increasing the signal- to-noise ratio, it is necessary to achieve optimal relations for parameters of reading laser beam, and geometrical pit dimensions surrounded by the annular rim. The method of scalar theory of diffraction did not allow to investigate the influence of geometrical sizes rims of pits on scattering characteristics of the laser beam from pits. In this connection, the mathematical simulation problem of the informaiton reading process from the surface with such form of units is of current concern.

Paper Details

Date Published: 8 September 1995
PDF: 11 pages
Proc. SPIE 2514, Optical Data Storage '95, (8 September 1995); doi: 10.1117/12.218744
Show Author Affiliations
Andrey A. Kryuchin, Institute of Information Recording Problems (Ukraine)
Anatoly S. Lapchuk, Institute of Information Recording Problems (Ukraine)
Vladimir A. Klimenko, Institute of Information Recording Problems (Ukraine)
Viacheslav V. Petrov, Institute of Information Recording Problems (Ukraine)

Published in SPIE Proceedings Vol. 2514:
Optical Data Storage '95
Gordon R. Knight; Hiroshi Ooki; Yuan-Sheng Tyan, Editor(s)

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