Spectroscopy of Yb3+ codoped Pr3+:YAG laser crystals

Aurelia Lupei; Voicu Lupei; A. Petraru

doi:10.1117/12.312808

2 July 1998 Spectroscopy of Yb³⁺codoped Pr³⁺:YAG laser crystals

Aurelia Lupei, Voicu Lupei, A. Petraru

Proceedings Volume 3405, ROMOPTO '97: Fifth Conference on Optics; (1998) https://doi.org/10.1117/12.312808
Event: ROMOPTO '97: Fifth Conference on Optics, 1997, Bucharest, Romania

Abstract

The sensitization with Yb³⁺ of other rare earth ions emission is intensively used in the last years for increasing excitation efficiency of infrared (diode laser) pumped solid state lasers. It proved as a good sensitizer for Pr³⁺ emission in various matrices. The spectral investigations for the elucidation of the nature of multisite structure of Pr³⁺ in YAG and of the Yb³⁺ co-doping on Pr³⁺:YAG are presented in this paper. In Pr³⁺:YAG two types of multisites have been observed: perturbed Pr³⁺ sites by nonstoichiometric defects and strongly coupled Pr³⁺ - Pr³⁺ near neighbor pairs. Pr³⁺ spectra in Yb³⁺, Pr³⁺:YAG show new lines assigned to near neighbor Pr³⁺ - Yb³⁺ pairs and Pr³⁺ - Yb³⁺ - Yb³⁺ triads.

Citation Download Citation

Aurelia Lupei, Voicu Lupei, and A. Petraru "Spectroscopy of Yb³⁺codoped Pr³⁺:YAG laser crystals", Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); https://doi.org/10.1117/12.312808

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