Anisotropy of nonlinear absorption in a V3+:YAG crystal

N. N. Il'ichev

doi:10.1117/12.2316075

1 September 1996 Anisotropy of nonlinear absorption in a V³⁺:YAG crystal

N. N. Il'ichev

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778AQ (1996) https://doi.org/10.1117/12.2316075
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

Impurity-activated V³⁺:YAG crystals are used as passive laser switches in near-infrared lasers [1-3]. The phototropic properties of these crystals are due to the presence of wide additional-absorption (AA) bands with maxima near 0.8 and 1.3 μm. This additional absorption becomes saturated even at a low energy density of the incident radiation. For example, the absorption cross section for the λ≈1.3 pin band is ∝10^-18 cm² [2]. The AA bands are due to the V³⁺ ions in the YAG crystal matrix, which have the tetrahedral coordination of the garnet lattice ligands.

Citation Download Citation

N. N. Il'ichev "Anisotropy of nonlinear absorption in a V³⁺:YAG crystal", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778AQ (1 September 1996); https://doi.org/10.1117/12.2316075

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