P. A. Studenikin, A. I. Zagumennyi, Yu. D. Zavartsev, P. A. Popov, I. A. Shcherbakov, “GdVO4 as a new medium for solid-state lasers: some optical and thermal properties of crystals doped with Cd3+, Tm3+, and Er3+ ions”, Kvantovaya Elektronika, 1995, Volume 22, Number 12,Pages 1199

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GdVO₄ as a new medium for solid-state lasers: some optical and thermal properties of crystals doped with Cd³⁺, Tm³⁺, and Er³⁺ ions

P. A. Studenikin^a, A. I. Zagumennyi^a, Yu. D. Zavartsev^a, P. A. Popov^b, I. A. Shcherbakov^a

^a General Physics Institute, Russian Academy of Sciences, Moscow
^b Bryansk State Pedagogical University

Abstract: The refractive indices of new Nd³⁺ : GdVO₄, Tm³⁺ : GdVO₄, and Er³⁺ : GdVO₄ laser crystals were determined with an error of ±5×10^-5 in the range 400–1100 nm. The birefringence of these crystals was on the average 0.24, and the dispersion was described by the formula 1/Δn² = a+ b/λ². The thermal conductivity of the Nd : GdVO₄ crystal (atomic neodymium concentration 1.3%) was determined in the temperature range 77–300 K. At 300 K the conductivity along the <110> direction was 11.7 W m^-1 K^-1, which was higher than the conductivity of Nd : YAG crystals.

PACS: 42.55.Rz, 42.70.Hj

Received: 09.12.1994