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Proceedings Paper

Formation of dissipative structures at hologram recording in CaF2 crystals with color centers
Author(s): Aleksandr S. Shcheulin; Aleksandr E. Angervaks; Andrey V. Veniaminov; Pavel P. Fedorov; Sergey V. Kuznetsov; Aleksandr I. Ryskin
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Paper Abstract

The structurization of holographic planes in holograms recorded in CaF2 crystal with color centers was found. The structurization is apparent in the formation of spiral bundles, which pierce the holographic planes. It testifies to self-organization of color centers in these planes. This process is believed to be linked with colloidal centers, 2D metal islets in the crystal lattice, whose formation and decay during hologram recording at temperatures of 150–190 °C may be considered as a dynamic phase transition that facilitates the generation of stable spatially inhomogeneous (dissipative) structures in the form of bundles. The bundles arise during hologram recording process and remain frozen on cooling of the crystal after the process is finished.

Paper Details

Date Published: 8 May 2015
PDF: 9 pages
Proc. SPIE 9508, Holography: Advances and Modern Trends IV, 95080D (8 May 2015); doi: 10.1117/12.2178477
Show Author Affiliations
Aleksandr S. Shcheulin, ITMO Univ. (Russian Federation)
Aleksandr E. Angervaks, ITMO Univ. (Russian Federation)
Andrey V. Veniaminov, ITMO Univ. (Russian Federation)
Pavel P. Fedorov, A. M. Prokhorov General Physics Institute (Russian Federation)
Sergey V. Kuznetsov, A. M. Prokhorov General Physics Institute (Russian Federation)
Aleksandr I. Ryskin, ITMO Univ. (Russian Federation)

Published in SPIE Proceedings Vol. 9508:
Holography: Advances and Modern Trends IV
Miroslav Hrabovský; John T. Sheridan; Antonio Fimia, Editor(s)

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