Single crystals with advanced laser properties LiCaAlF6:Ce3+ grown by Bridgman technique

•Ce:LiCaAlF6 crystals were grown by Bridgman method with high Ce3+ ions content.•Ce3+ content along the crystal and refractive index homogeneity was investigated.•Laser oscillation with 47% slope efficiency in Ce:LiCaAlF6 medium was achieved. The aim of this work is growth of LiCaAlF6:Ce3+ (Ce:LiCAF...

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Bibliographic Details
Published in:Journal of crystal growth 2018-03, Vol.485, p.73-77
Main Authors: Shavelev, A.A., Nizamutdinov, A.S., Marisov, M.A., Farukhshin, I.I., Morozov, O.A., Rakhimov, N.F., Lukinova, E.V., Korableva, S.L., Semashko, V.V.
Format: Article
Language:English
Subjects:
A2. Bridgman technique
A2. Single crystal growth
B3. Solid state lasers
B3. Tunable ultraviolet laser
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Summary:•Ce:LiCaAlF6 crystals were grown by Bridgman method with high Ce3+ ions content.•Ce3+ content along the crystal and refractive index homogeneity was investigated.•Laser oscillation with 47% slope efficiency in Ce:LiCaAlF6 medium was achieved. The aim of this work is growth of LiCaAlF6:Ce3+ (Ce:LiCAF) crystals by Bridgman technique and study of spectroscopic and laser characteristics in UV spectral range. We report on growth of LiCaAlF6:Ce3+ (1.2 at.% in the melt) crystals with refractive index inhomogeneity not worse than Δn = 1.2 ∗ 10−5. The maximum absorption coefficient of Ce3+ ions appeared to be up to 7 cm−1 and maximum of slope efficiency of laser action as high as 47% in synthesized crystals was achieved.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2018.01.005