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Chinese Journal of Lasers, Volume. 51, Issue 17, 1701002(2024)

Fiber Coupling System and Beam Shaping Design for High-Power Semiconductor Laser Stack

Kuikui Li1,2, Weiqiao Zhang2, Fengxin Dong2, Jianxin Zhang2,4, and Xuyan Zhou2,3、*
Author Affiliations
  • 1School of Physics and Physical Engineering, Qufu Normal University, Qufu273165, Shandong , China
  • 2Weifang Academy of Advanced Opto-Electronic Circuits, Weifang 261071, Shandong , China
  • 3Key Laboratory of Solid State Optoelectronics Information Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
  • 4School of Physics and Electronic Information, Weifang University, Weifang 261061, Shandong , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (22)
    Cited By (2)
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    Figures & Tables(7)
    Effects of divergence angles of fast and slow axes on angular space radiance after collimation with collimation light path shown in left inset and spot after collimation shown in right inset

    Fig. 1. Effects of divergence angles of fast and slow axes on angular space radiance after collimation with collimation light path shown in left inset and spot after collimation shown in right inset

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    Solid structure, main view, and side view of stepped rotation rearrangement prism. (a) Solid structure; (b) main view; (c) side view

    Fig. 2. Solid structure, main view, and side view of stepped rotation rearrangement prism. (a) Solid structure; (b) main view; (c) side view

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    Light spots after beam passes through stepped rotation rearrangement prisms

    Fig. 3. Light spots after beam passes through stepped rotation rearrangement prisms

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    Schematic of beam expansion device and output spot after beam expansion

    Fig. 4. Schematic of beam expansion device and output spot after beam expansion

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    Overall light path diagram of fiber coupling system

    Fig. 5. Overall light path diagram of fiber coupling system

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    Spot size and NA value at focal point

    Fig. 6. Spot size and NA value at focal point

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    • Table 1. Main parameters of semiconductor laser stack

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      Table 1. Main parameters of semiconductor laser stack

      ParameterNumerical value
      Number of bars8
      Bar width /mm5.0
      Number of emitters5
      Emitter width /μm100
      Pitch of bar /mm1.8
      Emitter pitch /μm1000
      Center wavelength /nm940
      Output power /W480
      Fast axis divergence angle /（°）40
      Slow axis divergence angle /（°）8
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    Kuikui Li, Weiqiao Zhang, Fengxin Dong, Jianxin Zhang, Xuyan Zhou. Fiber Coupling System and Beam Shaping Design for High-Power Semiconductor Laser Stack[J]. Chinese Journal of Lasers, 2024, 51(17): 1701002

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    Paper Information

    Category: laser devices and laser physics

    Received: Oct. 27, 2023

    Accepted: Dec. 7, 2023

    Published Online: Aug. 29, 2024

    The Author Email: Xuyan Zhou (zhouxuyan@aoec.ac.cn)

    DOI:10.3788/CJL231330

    CSTR:32183.14.CJL231330

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology