Cladding-pumped Er/Yb co-doped Q-switched all fiber laser

Chongguang Zhao; Yang Liu; Ji Wang; Lijun Wang

Chinese Optics Letters, Volume. 5, Issue s1, 115(2007)

Chongguang Zhao^1,2、*, Yang Liu^1,2, Ji Wang^1,2,3, and Lijun Wang^1,2,3

¹Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033

²Graduate School of the Chinese Academy of Sciences, Beijing 100039

³College of Science, Changchun University of Science and Technology, Changchun 130022

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A compact Q-switched laser based on Er/Yb co-doped fiber is demonstrated. Operating in repetition rate of 10-100 kHz and Q-switching window time of 100 ns to 2 microseconds, the laser is optimized in the amplitude and stability of the pulses. At the repetition rate of 100 kHz, and maximum power of 1.75 W, average output power of 264 mW and a slope efficiency of 14% were obtained. The maximum pulse energy reached to 2.6 microjoules at the repetition rate of 100 kHz.

Keywords

140.3500 140.3510 140.3540

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Chongguang Zhao, Yang Liu, Ji Wang, Lijun Wang, "Cladding-pumped Er/Yb co-doped Q-switched all fiber laser," Chin. Opt. Lett. 5, 115 (2007)

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