Characterization of Ce3+ and Yb3+ doped LiF-LuF3-YF3 solid solutions as new UV active media

A. S. Nizamutdinov; V. V. Semashko; A. K. Naumov; S. L. Korableva; M. A. Marisov; V. N. Efimov; L. A. Nurtdinova

doi:10.1117/12.881885

7 February 2011 Characterization of Ce³⁺ and Yb³⁺ doped LiF-LuF₃-YF₃ solid solutions as new UV active media

A. S. Nizamutdinov, V. V. Semashko, A. K. Naumov, S. L. Korableva, M. A. Marisov, V. N. Efimov, L. A. Nurtdinova

Proceedings Volume 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies; 79940H (2011) https://doi.org/10.1117/12.881885
Event: International Conference on Coherent and Nonlinear Optics (ICONO 2010) and International Conference on Lasers, Applications and Technologies (LAT 2010), 2010, Kazan, Russian Federation

Abstract

Here laser studies of Ce³⁺:LiLu_xMe_1-x F₄ (Me=Y³⁺,Yb³⁺) mixed crystals homologous to well-known Ce³⁺:LiYF₄and Ce³⁺:LiLuF₄ UV crystalline active media are reported. Optical spectroscopy and X-ray diffraction studies have proved scheelite structure of the investigated mixture crystals. Advantages of LiLuYF₄:Ce³⁺+Yb³⁺ mixture crystals were detected. Among them an opportunity to wider tuning range of laser oscillation in comparison to LiLuF₄:Ce³⁺+Yb³⁺ active medium by means of varying YF₃/LuF₃ content relation. As it was shown from laser experiments mutual shift of 5d-4f emitting transition of Ce³⁺ ions and color centers absorption band due to lattice parameter change gives an optimum for YF₃/LuF₃ content relation corresponding to minimal overlap and maximal amplification band. EPR and optical spectroscopy revealed the optimum ratio of Y³⁺ ions and Lu³⁺ in solid solutions of LiF-LuF₃-YF₃, where the segregation coefficient Ce³⁺ of ions is increased 3-5 times compared with crystals LiYF₄ and LiLuF₄.

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A. S. Nizamutdinov, V. V. Semashko, A. K. Naumov, S. L. Korableva, M. A. Marisov, V. N. Efimov, and L. A. Nurtdinova "Characterization of Ce³⁺ and Yb³⁺ doped LiF-LuF₃-YF₃ solid solutions as new UV active media", Proc. SPIE 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies, 79940H (7 February 2011); https://doi.org/10.1117/12.881885

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