Tandem-pumped 1120-nm actively Q-switched fiber laser |
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| Authors: | Wang Jian-Hua Hu Jin-Meng Zhang Shi-Qiang Chen Lu-Lu Fang Yong Feng Yan |
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| Institution: | 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 Opticsand 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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| Keywords: | tandem pumping Q-switching fiber laser ytterbium |
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