• Chinese Optics Letters
  • Vol. 17, Issue 1, 011401 (2019)
Fangyuan Sun1、2, Yufei Zhao1、2, Shili Shu1、*, Guanyu Hou1、2, Huanyu Lu1、2, Xin Zhang1, Lijie Wang1, Sicong Tian1, Cunzhu Tong1, and Lijun Wang1
Author Affiliations
  • 1State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    DOI: 10.3788/COL201917.011401 Cite this Article Set citation alerts
    Fangyuan Sun, Yufei Zhao, Shili Shu, Guanyu Hou, Huanyu Lu, Xin Zhang, Lijie Wang, Sicong Tian, Cunzhu Tong, Lijun Wang. High beam quality broad-area diode lasers by spectral beam combining with double filters[J]. Chinese Optics Letters, 2019, 17(1): 011401 Copy Citation Text show less
    (a) Schematic of the SBC with double filters and (b) the filtering schematic by nonparallel double SFs before combining.
    Fig. 1. (a) Schematic of the SBC with double filters and (b) the filtering schematic by nonparallel double SFs before combining.
    Far-field spots of (a) the conventional SBC and (b) the modified SBC.
    Fig. 2. Far-field spots of (a) the conventional SBC and (b) the modified SBC.
    M2 factors of the BAL arrays with the conventional SBC and the modified SBC in the (a) fast and (b) slow axes.
    Fig. 3. M2 factors of the BAL arrays with the conventional SBC and the modified SBC in the (a) fast and (b) slow axes.
    L–I–V characteristics of the diode laser array combined with off-axis SBC with selective feedback. The inset graph shows the efficiency characteristics of the off-axis SBC.
    Fig. 4. L–I–V characteristics of the diode laser array combined with off-axis SBC with selective feedback. The inset graph shows the efficiency characteristics of the off-axis SBC.
    Electrical-to-optical efficiency ηEOE for both external cavity configurations as a function of driving current.
    Fig. 5. Electrical-to-optical efficiency ηEOE for both external cavity configurations as a function of driving current.
    Lasing spectrum of BAL array by modified SBC with double SFs measured at 50 A.
    Fig. 6. Lasing spectrum of BAL array by modified SBC with double SFs measured at 50 A.
    Fangyuan Sun, Yufei Zhao, Shili Shu, Guanyu Hou, Huanyu Lu, Xin Zhang, Lijie Wang, Sicong Tian, Cunzhu Tong, Lijun Wang. High beam quality broad-area diode lasers by spectral beam combining with double filters[J]. Chinese Optics Letters, 2019, 17(1): 011401
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