Spectroscopic bases for optimisation of 900 nm laser emission of Nd<sup>3+</sup> in strontium lanthanum aluminate

A. Lupei; V. Lupei; C. Gheorghe; L. Gheorghe; E. Antic-Fidancev; G. Aka; D. Vivien

doi:10.1117/12.660692

9 June 2006 Spectroscopic bases for optimisation of 900 nm laser emission of Nd³⁺ in strontium lanthanum aluminate

A. Lupei, V. Lupei, C. Gheorghe, L. Gheorghe, E. Antic-Fidancev, G. Aka, D. Vivien

Proceedings Volume 6054, International Conference on Lasers, Applications, and Technologies 2005: Advanced Lasers and Systems; 60540F (2006) https://doi.org/10.1117/12.660692
Event: International Conference on Lasers, Applications, and Technologies 2005, 2005, St. Petersburg, Russian Federation

Abstract

The high resolution and polarized spectroscopic investigation of Nd³⁺ in Mg-compensated strontium lanthanum aluminate Sr_l-xLa_x-yNd_yMg_xAl_12-x0₁₉ (Nd: ASL) function on composition makes possible the elucidation of the nature of non- equivalent centers and enables the selection of composition and pumping conditions that grant the efficient quasi-three-level laser emission around 900 nm. Based on a proper selection of these conditions, 900 nm laser emission with slope efficiencies of 0.74 and 0.84 at 792 nm ⁴F_5/2 and respectively 865 nm ⁴F_3/2 pumping of Nd³⁺ is demonstrated.

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A. Lupei, V. Lupei, C. Gheorghe, L. Gheorghe, E. Antic-Fidancev, G. Aka, and D. Vivien "Spectroscopic bases for optimisation of 900 nm laser emission of Nd³⁺ in strontium lanthanum aluminate", Proc. SPIE 6054, International Conference on Lasers, Applications, and Technologies 2005: Advanced Lasers and Systems, 60540F (9 June 2006); https://doi.org/10.1117/12.660692

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