7 February 2011 Characterization of Ce3+ and Yb3+ doped LiF-LuF3-YF3 solid solutions as new UV active media
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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+:LiLuxMe1-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, A. S. Nizamutdinov, V. V. Semashko, V. V. Semashko, A. K. Naumov, A. K. Naumov, S. L. Korableva, S. L. Korableva, M. A. Marisov, M. A. Marisov, V. N. Efimov, V. N. Efimov, L. A. Nurtdinova, 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); doi: 10.1117/12.881885; https://doi.org/10.1117/12.881885
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