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Laser & Optoelectronics Progress, Volume. 61, Issue 21, 2114004(2024)

High-Beam-Quality Diode-Pumped Nd∶YAG Intracavity-Frequency-Doubled Laser

Majun Peng1, Shuai Li1, Zhanda Zhu1,2,3,4, Hong Lei1,2,3,4, and Qiang Li1,2,3,4、*
Author Affiliations
  • 1Faculty of Physics and Optoelectronic Engineering Beijing University of Technology, Beijing 100124, China
  • 2Beijing Engineering Research Center of Laser Technology, Beijing 100124, China
  • 3Beijing Colleges and Universities Engineering Research Center of Advanced Laser Manufacturing, Beijing 100124, China
  • 4Key Laboratory of Trans-Scale Laser Manufacturing Technology, Ministry of Education, Beijing 100124, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
    Equations (3)
    References (27)
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    Figures & Tables(8)
    Nd∶YAG laser. (a) Pump module; (b) cavity shape schematic

    Fig. 1. Nd∶YAG laser. (a) Pump module; (b) cavity shape schematic

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    Resonant cavity thermal lens equivalent and fundamental mode spot distribution in the cavity. (a) Thermal lens equivalent diagram of resonator; (b) spot distribution

    Fig. 2. Resonant cavity thermal lens equivalent and fundamental mode spot distribution in the cavity. (a) Thermal lens equivalent diagram of resonator; (b) spot distribution

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    Output power curves of 1064 nm fundamental frequency laser with different curvature mirrors

    Fig. 3. Output power curves of 1064 nm fundamental frequency laser with different curvature mirrors

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    Q-switched output power curves of 1064 nm fundamental frequency laser

    Fig. 4. Q-switched output power curves of 1064 nm fundamental frequency laser

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    Beam quality and spot of fundamental frequency laser. (a) Convex-convex cavity; (b) flat-flat cavity

    Fig. 5. Beam quality and spot of fundamental frequency laser. (a) Convex-convex cavity; (b) flat-flat cavity

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    Output power curves of 532 nm frequency doubled laser

    Fig. 6. Output power curves of 532 nm frequency doubled laser

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    Beam quality and spot of frequency doubled laser. (a) Convex-convex cavity; (b) flat-flat cavity

    Fig. 7. Beam quality and spot of frequency doubled laser. (a) Convex-convex cavity; (b) flat-flat cavity

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    Laser output pulse width and power stability. (a) Pulse width; (b) power stability

    Fig. 8. Laser output pulse width and power stability. (a) Pulse width; (b) power stability

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    Majun Peng, Shuai Li, Zhanda Zhu, Hong Lei, Qiang Li. High-Beam-Quality Diode-Pumped Nd∶YAG Intracavity-Frequency-Doubled Laser[J]. Laser & Optoelectronics Progress, 2024, 61(21): 2114004

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Jan. 27, 2024

    Accepted: Mar. 7, 2024

    Published Online: Nov. 18, 2024

    The Author Email: Qiang Li (ncltlq@bjut.edu.cn)

    DOI:10.3788/LOP240635

    CSTR:32186.14.LOP240635

    Topics

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