113-W in-phase mode output from two ytterbium-doped large-core double-cladding fiber lasers
Chinese Optics Letters, Vol. 5, Issue 7, pp. 412-414 (2007)
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Abstract
Phase locking for two ytterbium-doped large-core fiber lasers has been demonstrated by using a self-imaging confocal resonator with a spatial filter. Steady high-contrast interference stripes are observed. The visibilities of coherent and incoherent stripes are 59% and 6%, respectively. The measured width of the central strip is in good agreement with the calculated result. For in-phase mode, the output power of the phase-locked fiber laser array is up to 113 W and corresponding slope efficiency is 38.5%.
© 2007 Chinese Optics Letters
OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(070.6110) Fourier optics and signal processing : Spatial filtering
(140.3290) Lasers and laser optics : Laser arrays
Citation
Bing He, Qihong Lou, Jun Zhou, Yinghui Zheng, Dong Xue, Jingxing Dong, Yunrong Wei, Fangpei Zhang, Yunfeng Qi, Jianqiang Zhu, Jinyan Li, Shiyu Li, and Zhijiang Wang, "113-W in-phase mode output from two ytterbium-doped large-core double-cladding fiber lasers," Chin. Opt. Lett. 5, 412-414 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-7-412
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