| Comparative study of pulsed laser diode end-pumped thulium-doped 2-µm Q-switched lasers |
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| 引用本文： | 温雅,范震,尚林浩,金光勇,王超,陈薪羽,吴春婷.Comparative study of pulsed laser diode end-pumped thulium-doped 2-µm Q-switched lasers[J].中国物理 B,2021(3). |
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| 作者姓名： | 温雅 范震 尚林浩 金光勇 王超 陈薪羽 吴春婷 |
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| 作者单位： | Jilin Key Laboratory of Solid Laser Technology and Application |
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| 基金项目： | Project supported by the National Natural Science Foundation of China(Grant Nos.11974060 and U19A2077). |
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| 摘 要： | We report pulsed laser diode(LD)end-pumped acoustic Q-switched Tm:YAG laser,Tm:LuAG laser,and Tm:LuYAG laser and the physical properties and spectra of Tm:YAG,Tm:LuAG,and Tm:LuYAG are analyzed.The Tm:LuYAG laser is pumped by 785-nm and 788-nm pulses separately,and is compared with Tm:YAG laser.Different output energy values and output wavelengths of Tm:LuAYG lasers pumped by LDs with different wavelengths are obtained and compared with each other.When the repetition frequency is 100 Hz,the pulsed Tm:YAG laser has single pulse energy of 15.9 mJ,pulse width of 126.7 ns,and the center wavelength of 2013.36 nm,and the pulsed Tm:LuAG laser possesses single pulse energy of 11.8 mJ,pulse width of 252.4 ns,and the center wavelength of 2023.65 nm,and the pulsed Tm:LuYAG laser output energy values are 12.32 mJ and 12.25 mJ with the slope efficiencies of 12.5%and 11.85%,the center wavelengths of 2017.89 nm and 2027.11 nm,respectively,while the pump sources are 785-nm and 788-nm pulsed LDs,respectively.
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| 关 键 词： | thulium-doped crystal bonded crystal mixed crystal 2-μm laser |
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