Partially disordered Yb:GdxY1-xVO4 crystal for femtosecond lasers

V. V. Petrov; E. V. Pestryakov; V. I. Trunov; A. V. Kirpichnikov; M. A. Merzliakov; A. V. Laptev; V. N. Matrosov; S. A. Klimin

doi:10.1117/12.752622

9 August 2007 Partially disordered Yb:Gd_xY_1-xVO₄ crystal for femtosecond lasers

V. V. Petrov, E. V. Pestryakov, V. I. Trunov, A. V. Kirpichnikov, M. A. Merzliakov, A. V. Laptev, V. N. Matrosov, S. A. Klimin

Author Affiliations +

Proceedings Volume 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems; 67310I (2007) https://doi.org/10.1117/12.752622
Event: International Conference on Lasers, Applications, and Technologies '07, 2007, Minsk, Belarus

Abstract

The results of experimental spectroscopic and laser investigations of ytterbium-doped partially (mixed) disordered tetragonal gadolinium-yttrium vanadate crystals at 5-300 K temperature range under laser diode pumping are presented and compared with yttrium vanadate crystals. The Yb:Gd_xY_1-xVO₄ (x=0.64) partially (mixed) disordered crystals demonstrate large stimulated emission cross-section compared with the values of Yb:YVO₄ crystals. Polarized absorption and fluorescence spectra in the 5-300 K temperature range are investigated and gain cross-sections are deduced at room and liquid nitrogen temperatures. The amplitudes of emission cross-sections are increased almost fourfold at liquid nitrogen temperature in comparison with the same at room temperature at wavelength near 1006 nm. The CW and ultrashort pulses generation with additional SESAM structure have been investigated in the folded resonator at 975 nm laser diode pumping at room temperature. At low temperature the estimations for different inversion population ratios show that duration of pulses are somewhat varied.

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V. V. Petrov, E. V. Pestryakov, V. I. Trunov, A. V. Kirpichnikov, M. A. Merzliakov, A. V. Laptev, V. N. Matrosov, and S. A. Klimin "Partially disordered Yb:Gd_xY_1-xVO₄ crystal for femtosecond lasers", Proc. SPIE 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems, 67310I (9 August 2007); https://doi.org/10.1117/12.752622

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