Photorefractive effect in terbium gallium garnet

I. Amin; B. Sugg; Martin Fally; Romano A. Rupp

doi:10.1117/12.455208

5 February 2002 Photorefractive effect in terbium gallium garnet

I. Amin, B. Sugg, Martin Fally, Romano A. Rupp

Proceedings Volume 4607, Selected Papers from Fifth International Conference on Correlation Optics; (2002) https://doi.org/10.1117/12.455208
Event: Fifth International Conference on Correlation Optics, 2001, Chernivsti, Ukraine

Abstract

Terbium gallium garnet is an interesting representative of the family of rare-earth garnets. In these crystal we have observed a photorefractive effect. This effect is probably linked to the light-induced dichroitic and photochromic behavior of this crystal. Using Kramers-Kronig-relations an estimation shows that the light-induced absorption changes can explain the observed refractive index changes. The observation of holographic writing with orthogonally polarized beams may by attribute to orientationally non- equivalent centers, which become anisotropic by the absorption of light after illumination. Yet, the nature of these centers is unclear. Further studies are already under way to clarify this point.

Citation Download Citation

I. Amin, B. Sugg, Martin Fally, and Romano A. Rupp "Photorefractive effect in terbium gallium garnet", Proc. SPIE 4607, Selected Papers from Fifth International Conference on Correlation Optics, (5 February 2002); https://doi.org/10.1117/12.455208

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