1. Ytterbium-doped large-core fibre laser with 1kW of continuous-wave output power;Jeong;Electronics Letters,2004
2. Ytterbium-doped large-core fiber laser with 1.36kW continuous-wave output power;Jeong;Optics Express,2004
3. 〈http://www.ipgphotonics.com〉.
4. 〈http://www.nufern.com/kilowatt-amp.php〉.
5. Gapontsev V, Gapontsev D, Platonov N, Shkurikhin O, Fomin V, Mashkin A, et al. 2kW CW ytterbium fiber laser with record diffraction-limited brightness. In: Proceedings of the European conference on lasers and electro-optics, paper CJ-1-1-THU; 2005.