Chinese Optics Letters, 2013, 11 (5): 050601, Published Online: Apr. 2, 2013
Low-repetition rate, nanosecond, high-power pulse amplifier system based on Yb-doped rod-type fiber 
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060.2320 Fiber optics amplifiers and oscillators 060.2390 Fiber optics, infrared 060.3510 Lasers, fiber 060.5295 Photonic crystal fibers
Abstract
We report a nanosecond-pulse amplification system based on an Yb-doped, 100-\mu m core, rod-type photonic crystal fiber. Up to 10W of average power with pulse energy of 1 mJ and peak power of 450 kWis obtained at the repetition rate of 10 kHz. The high-power nanosecond pulse has a good pulse shape and spectral characteristics. The usage of rod-type fibers provides a novel structure for nanosecond pulse amplification.
Jia Yu, Wei Zhao, Yishan Wang, Zhi Yang, Cunxiao Gao, Linquan Niu, Ting Zhang. Low-repetition rate, nanosecond, high-power pulse amplifier system based on Yb-doped rod-type fiber[J]. Chinese Optics Letters, 2013, 11(5): 050601.
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