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Proceedings Paper

Laser-induced thermal dynamic gratings in three-layer structures: active and nonactive substrates
Author(s): E. V. Ivakin; Ludmila Makarova; Alexander S. Rubanov; Valery N. Filippov
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Paper Abstract

Time evolution of the intensity of light diffracted by phase grating which is induced by thermal dynamic grating (TDG) in liquid film between glass or quartz substrates is studied theoretically and experimentally. Due to heat exchange at the film boundaries the thermal gratings are also formed in substrates. The diffraction intensity of substrates can be less or comparable to that of film (non-active and active substrates, respectively). The experimental results are in a good agreement with the theoretical calculations carried out for the case when the film thickness is less the TDG period. It is shown the essential influence of the film thickness and the active-substrates contribution on the evolution of the intensity of diffracted light.

Paper Details

Date Published: 6 November 1998
PDF: 7 pages
Proc. SPIE 3580, Photoconversion: Science and Technologies, (6 November 1998); doi: 10.1117/12.330453
Show Author Affiliations
E. V. Ivakin, Institute of Physics (Belarus)
Ludmila Makarova, Istitute of Physics (Russia)
Alexander S. Rubanov, Institute of Physics (Belarus)
Valery N. Filippov, Institute of Physics (Mexico)

Published in SPIE Proceedings Vol. 3580:
Photoconversion: Science and Technologies
Maksymilian Pluta; Mariusz Szyjer, Editor(s)

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