High power, strictly single transverse mode ytterbium-doped large mode area fiber amplifier

@article{Jianjun2009HighPS,
  title={High power, strictly single transverse mode ytterbium-doped large mode area fiber amplifier},
  author={Wang Jian-jun and Xu Dang-peng and Lin Hong-huan and Zhang Rui and Deng Ying and Li Ming-zhong},
  journal={2009 14th OptoElectronics and Communications Conference},
  year={2009},
  pages={1-2}
}
The paper reports a high power, strictly single transverse mode ytterbium-doped large mode area fiber amplifier with backward pump scheme that produces near diffraction-limited, 2-ns shaped pulses with energies of 38µJ and peak powers in excess of 39kW at a repetition rate of 1Hz.