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Proceedings Paper

Q-switched Yb-doped rod-type photonic crystal fiber laser
Author(s): Shuangchen Ruan; Chunyu Guo; Peiguang Yan; Chenlin Du; Rui Zhou
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Paper 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.

Paper Details

Date Published: 14 November 2007
PDF: 6 pages
Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67220H (14 November 2007); doi: 10.1117/12.782842
Show Author Affiliations
Shuangchen Ruan, Shenzhen Univ. (China)
Chunyu Guo, Shenzhen Univ. (China)
Peiguang Yan, Shenzhen Univ. (China)
Chenlin Du, Shenzhen Univ. (China)
Rui Zhou, Shenzhen Univ. (China)


Published in SPIE Proceedings Vol. 6722:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies

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