Q-switched Yb-doped rod-type photonic crystal fiber laser

Shuangchen Ruan; Chunyu Guo; Peiguang Yan; Chenlin Du; Rui Zhou

doi:10.1117/12.782842

14 November 2007 Q-switched Yb-doped rod-type photonic crystal fiber laser

Shuangchen Ruan, Chunyu Guo, Peiguang Yan, Chenlin Du, Rui Zhou

Proceedings Volume 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 67220H (2007) https://doi.org/10.1117/12.782842
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

Rod-type photonic crystal fibers (PCFs) bring enormous advantages in Q-switched fiber laser with high pulse energy, short pulse width and good beam quality for its large mode area and short fiber length. In this paper, an acoustic-optic Q-switched photonic crystal fiber laser was investigated by using a 1m-long Yb-doped large mode area rod-type photonic crystal fiber as gain medium. A maximum pulse energy of 0.78 mJ (21.7 KW peak power) and the shortest pulse width of 20 ns were obtained at low repetition rates. A maximum 1033.6 nm average power of 14.5 W was demonstrated at 65 KHz with a slope efficiency of 56%. Further improvements would be obtained by optimizing the experiment configuration so as to achieve shorter pulse width and higher pulse energy.

Citation Download Citation

Shuangchen Ruan, Chunyu Guo, Peiguang Yan, Chenlin Du, and Rui Zhou "Q-switched Yb-doped rod-type photonic crystal fiber laser", Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67220H (14 November 2007); https://doi.org/10.1117/12.782842

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