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Proceedings Paper

Photorefractive effects in long narrow BSO-crystals with applied electric field
Author(s): Gregor Cedilnik; Matthias Esselbach; Armin Kiessling; Richard M. Kowarschik; Ervin Nippolainen; Alexei A. Kamshilin; Victor V. Prokofiev
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Paper Abstract

In a photorefractive Bi12SiO20 crystal with high applied electric AC field of square-wave shape a fast two- wave coupling response (less than 1 second) and a slow hologram readout decay (minutes) was found for a wavelength of 633 nm. This can be explained by electron-hole transport with two trap-levels. An intensity dependence of the slower complementary grating was found. Illuminating with the readout wave without applied electric field leads to a very slow grating decay (many hours).

Paper Details

Date Published: 19 July 1999
PDF: 2 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.354867
Show Author Affiliations
Gregor Cedilnik, Friedrich-Schiller-Univ. Jena (Germany)
Matthias Esselbach, Friedrich-Schiller-Univ. Jena (Germany)
Armin Kiessling, Friedrich-Schiller-Univ. Jena (Germany)
Richard M. Kowarschik, Friedrich-Schiller-Univ. Jena (Germany)
Ervin Nippolainen, Univ. of Joensuu (Finland)
Alexei A. Kamshilin, Univ. of Joensuu (Finland)
Victor V. Prokofiev, Univ. of Joensuu (Finland)

Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics
Alexander J. Glass; Joseph W. Goodman; Milton Chang; Arthur H. Guenther; Toshimitsu Asakura, Editor(s)

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