Flash-Lamp-Pumped Acousto-Optic Q-switched Cr-Tm:YAG Laser |
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| Authors: | Cheng Li Jie Song Deyuan Shen Yuhui Cao Nam Seong Kim Ken-ichi Ueda |
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| Institution: | (1) Institute for Laser Science, University of Electro-Communications, 1-5-1, Chofugaoka, Chofu, Tokyo 182-8585, Japan;(2) Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, China |
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| Abstract: | High-power Q-switched solid-state lasers operating at 2 μm wavelength are needed for many applications. Using flash-lamp pumping, we developed an acousto-optic Q-switched Cr-Tm:YAG laser and realized single transverse mode oscillation with a maximum pulse energy exceeding 0.8 J when the repetition frequency was 1 Hz. The pulse width and the corresponding peak power were 135 ns and 5.9 MW, respectively. To our knowledge, this is the highest output power of AO-Q-switched Cr-Tm:YAG lasers have ever reported. |
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| Keywords: | Cr-Tm:YAG laser Q-switched solid-state laser eye-safe laser |
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