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Growth and spectroscopic investigation of new promising laser crystal chromium (IV) doped germanoeucryptite Cr:LiAlGeO4 |
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| Authors: | K. A. Soubbotin V. A. Smirnov S. V. Kovaliov H. J. Scheel E. V. Zharikov |
| Affiliation: | a Laser Materials and Technology Research Center of General Physics Institute, Russian Academy of Sciences, 117942 Moscow, Russian Federation b D.I. Mendeleyev University of Chemical Technology of Russia, Moscow, Russian Federation c Cristallogenese/Swiss Federal Institute of Technology, Lausanne, Switzerland |
| Abstract: | Single crystals of germanoeucryptite doped by chromium (IV) have been grown for the first time. Spectroscopic properties of grown crystals have been investigated. The intensive broadband fluorescence of Cr4+-ions in the range between 1070 and 1600 nm was observed with lifetime 10 μs. Preliminary investigations show that this material is promising for use as an active medium for new tunable solid-state laser of near IR-region. |
| Keywords: | Fluorescence Tunable solid-state lasers Tetravalent chromium Fluorescence decay lifetime |
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