Comparison of RTP electro-optic Q-switch and acousto-optic Q-switch in Tm,Ho:GdVO4 laser |
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| Authors: | P. B. Meng B. Q. Yao G. Li Y. L. Ju Y. Z. Wang |
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| Affiliation: | 1.National Key Laboratory of Tunable Laser Technology,Harbin Institute of Technology,Harbin,China |
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| Abstract: | We demonstrate a tunable, narrow linewidth, linearly polarized and gain-switched Cr2+:ZnSe laser pumped by a Tm, Ho:YVO4 laser at 10 kHz pulse repetition frequency. By setting a quartz birefringent filter with a Brewster angle in the cavity, the linearly polarized Cr2+:ZnSe laser can be continuously tuned from 2.45 to 2.50 μm, and the output power was almost not changed. In addition, the linewidth was compressed to about 5 nm. At the incident pump power to the crystal of 14 W, the maximum output power of 2.84 W was obtained, corresponding to a slope efficiency of 20.4%. |
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