Ye Zheng, Yifeng Yang, Man Hu, Guangbo Liu, Bing He, Jun Zhou, Qihong Lou. High-power spectral beam combining of five fiber amplifiers to 1.23 kW[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21415
- Chinese Optics Letters
- Vol. 13, Issue Suppl., S21415 (2015)
Fig. 1. Optical layout for the five-channel SBC fiber lasers. Five beams are combined by a diffraction grating with a density of 960 lines / mm
Fig. 2. Spectrum of the combined beam. The smallest wavelength interval is 2.8 nm between 1055.7 and 1058.5 nm.
Fig. 3. Far-field pattern of the combined output beam, mainly maintaining the good beam quality of the incident beams.
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