• Acta Optica Sinica
  • Vol. 41, Issue 22, 2214001 (2021)
Jinliang Han1,2, Jun Zhang1,*, Xiaonan Shan1, Li Qin1, and Lijun Wang1
Author Affiliations
  • 1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, Jilin 130033, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    DOI: 10.3788/AOS202141.2214001 Cite this Article Set citation alerts
    Jinliang Han, Jun Zhang, Xiaonan Shan, Li Qin, Lijun Wang. High Power Heating Light Source Based on Semiconductor Laser Beam Combintion Technology[J]. Acta Optica Sinica, 2021, 41(22): 2214001 Copy Citation Text show less
    Divergence angle of single tube laser after collimation. (a) Fast axis divergence angle;(b) slow axis divergence angle
    Fig. 1. Divergence angle of single tube laser after collimation. (a) Fast axis divergence angle;(b) slow axis divergence angle
    Schematic diagram of the beam combination structure
    Fig. 2. Schematic diagram of the beam combination structure
    Simulation result. (a) Optical power after beam shaping and spatial combining; (b) optical power after polarization combining
    Fig. 3. Simulation result. (a) Optical power after beam shaping and spatial combining; (b) optical power after polarization combining
    Diagram of the whole structure
    Fig. 4. Diagram of the whole structure
    Spot distributions. (a) Before beam expanding; (b) after beam expanding
    Fig. 5. Spot distributions. (a) Before beam expanding; (b) after beam expanding
    Spot size after beam expanding. (a) Horizontal direction; (b) vertical direction
    Fig. 6. Spot size after beam expanding. (a) Horizontal direction; (b) vertical direction
    Diagram of laser heating material
    Fig. 7. Diagram of laser heating material
    Spot distribution after mirror adjustment
    Fig. 8. Spot distribution after mirror adjustment
    Photograph of laser heating light source
    Fig. 9. Photograph of laser heating light source
    P-I-V curves
    Fig. 10. PIV curves
    Beam spots. (a) Near field; (b) far field
    Fig. 11. Beam spots. (a) Near field; (b) far field
    ParameterSpecification
    Output power /W18
    Operating current /A20
    Operating voltage /V1.85
    Slow axis divergence angle /(°)11.5
    Fast axis divergence angle /(°)58
    Emitter width /μm190
    Table 1. Main parameters of single tube laser
    Jinliang Han, Jun Zhang, Xiaonan Shan, Li Qin, Lijun Wang. High Power Heating Light Source Based on Semiconductor Laser Beam Combintion Technology[J]. Acta Optica Sinica, 2021, 41(22): 2214001
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