Photorefractive effects in long narrow BSO-crystals with applied electric field

Gregor Cedilnik; Matthias Esselbach; Armin Kiessling; Richard M. Kowarschik; Ervin Nippolainen; Alexei A. Kamshilin; Victor V. Prokofiev

doi:10.1117/12.354867

19 July 1999 Photorefractive effects in long narrow BSO-crystals with applied electric field

Gregor Cedilnik, Matthias Esselbach, Armin Kiessling, Richard M. Kowarschik, Ervin Nippolainen, Alexei A. Kamshilin, Victor V. Prokofiev

Author Affiliations +

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354867
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

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).

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Gregor Cedilnik, Matthias Esselbach, Armin Kiessling, Richard M. Kowarschik, Ervin Nippolainen, Alexei A. Kamshilin, and Victor V. Prokofiev "Photorefractive effects in long narrow BSO-crystals with applied electric field", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354867

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