ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Tandem-pumped 1120-nm actively Q-switched fiber laser |
Wang Jian-Hua (王建华)a b c, Hu Jin-Meng (胡金萌)b, Zhang Shi-Qiang (张世强)c, Chen Lu-Lu (陈露璐)c, Fang Yong (房勇)c, Feng Yan (冯衍)b, Li Zhi (李智)a |
a Department of Space and Command, Academy of Equipment, Beijing 101416, China; b Shanghai Key Laboratory of Solid State Laser and Application, and Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; c Northwest Institute of Nuclear Technology, Xi'an 710024, China |
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Abstract We report on a tandem-pumped actively Q-switched fiber laser system emitting at 1120 nm. Parasitic oscillation is challenging in Yb-doped Q-switched 1120-nm fiber laser, which is suppressed by pumping with a fiber laser at 1018 nm. At least four times improvement in output peak power is demonstrated in a single laser setup with 1018-nm fiber laser pumping instead of 976-nm laser diode pumping. This is, to the best of our knowledge, the first demonstration of a tandem-pumped Q-switched fiber laser.
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Received: 26 May 2014
Revised: 16 July 2014
Accepted manuscript online:
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PACS:
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42.55.Wd
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(Fiber lasers)
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42.60.Gd
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(Q-switching)
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42.55.Xi
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(Diode-pumped lasers)
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Corresponding Authors:
Feng Yan
E-mail: feng@siom.ac.cn
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Cite this article:
Wang Jian-Hua (王建华), Hu Jin-Meng (胡金萌), Zhang Shi-Qiang (张世强), Chen Lu-Lu (陈露璐), Fang Yong (房勇), Feng Yan (冯衍), Li Zhi (李智) Tandem-pumped 1120-nm actively Q-switched fiber laser 2015 Chin. Phys. B 24 024214
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