| An acousto-optic Q-switched fiber laser using China-made double-cladding fiber |
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| 作者姓名： | 赵宏明 楼祺洪 周军 张芳沛 董景星 魏运荣 李立波 王之江 |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800 Graduate School of the Chinese Academy of Sciences，Beijing 100039，Shanghai 201800，Shanghai 201800，Shanghai 201800 Graduate School of the Chinese Academy of Sciences，Beijing 100039，Shanghai 201800，Shanghai 201800，Shanghai 201800 Graduate School of the Chinese Academy of Sciences，Beijing 100039，Shanghai 201800 |
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| 基金项目： | the National Key Basic Research Project of China. |
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| 摘 要： | A simple laser-diode pumped acoustic-optic Q-switched fiber laser is reported by using China-made large- mode-area ytterbium-doped fiber.Q-switched pulses with a beam quality factor of M~2≈2 and several hundred nanoseconds pulse duration are achieved at the repetition rate of 1-50 kHz.When the repetition rate is 1 kHz,the pulse energy is 0.93 mJ with the pulse duration of 132 ns.Meanwhile,the profile of laser pulses shows some mode-locking phenomena,the mechanism of the phenomena is discussed.
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