Crystal growth,spectroscopic characterization and laser performance of Nd:Lu0.33Y0.36Gd0.3VO4 crystal |
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| Authors: | B. Zhao F. Y. Guo N. F. Zhuang K. Cheng J. Z. Chen |
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| Affiliation: | 1.College of Chemistry and Chemical Engineering,Fuzhou University,Fuzhou,China;2.School of Information Science and Engineering,Shandong University,Jinan,China |
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| Abstract: | A new three-matrix mixed vanadate crystal Nd:Lu0.33Y0.36Gd0.3VO4 (Nd:LuYGdVO4) crystal was grown by the Czochralski method. Room temperature absorption and fluorescence spectra of the Nd:LuYGdVO4 crystals were measured and the spectroscopic parameters were calculated by the Judd-Ofelt theory. The intensity parameters of the Nd:LuYGdVO4 crystal were Ω2 = 9.736 × 10−20 cm2, Ω4 = 4.179 × 10−20 cm2, Ω6 = 8.020 × 10−20 cm2 and the stimulate emission cross section was 5.3 × 10−19 cm2. Diodepumped actively Q-switched and passively Q-switched Nd:LuYGdVO4 and Nd:Lu0.14Y0.86VO4 lasers at 1.06 μm were demonstrated. The results indicate that, for both actively and passively Q-switched lasers, the Nd:LuYGdVO4 lasers can generate shorter pulse width with higher peak power than the Nd:Lu0.14Y0.86VO4 lasers at the same cavity conditions. |
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