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Chinese Journal of Lasers, Volume. 49, Issue 17, 1701004(2022)

High-Efficiency LD Corner-Side-Pumped Nd∶YAG Electro-Optical Q-Switched Laser

Shiwei Lv1, Zhanda Zhu1,2,3,4, Dapeng Liu1, Yongling Hui1,2,3,4, Hong Lei1,2,3,4、**, and Qiang Li1,2,3,4、*
Author Affiliations
  • 1Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China
  • 2Beijing Engineering Research Center of Laser Technology, Beijing 100124, China
  • 3Beijing Higher Institution 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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    Structural diagram of electro-optical Q-switched laser

    Fig. 1. Structural diagram of electro-optical Q-switched laser

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    Structural diagram of composite crystal and internal optical transmission path. (a) Structural diagram of composite slab laser crystal; (b) schematic of pump light transmission path

    Fig. 2. Structural diagram of composite crystal and internal optical transmission path. (a) Structural diagram of composite slab laser crystal; (b) schematic of pump light transmission path

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    Absorption flux distribution of pump light on central cross-section of Nd∶YAG crystal

    Fig. 3. Absorption flux distribution of pump light on central cross-section of Nd∶YAG crystal

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    Output energy under conditions of free running and Q-switching and O-O efficiency

    Fig. 4. Output energy under conditions of free running and Q-switching and O-O efficiency

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    Measurement results of laser parameters. (a) Q-switched pulse width of output laser; (b) beam quality and far-field spot

    Fig. 5. Measurement results of laser parameters. (a) Q-switched pulse width of output laser; (b) beam quality and far-field spot

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    Shiwei Lv, Zhanda Zhu, Dapeng Liu, Yongling Hui, Hong Lei, Qiang Li. High-Efficiency LD Corner-Side-Pumped Nd∶YAG Electro-Optical Q-Switched Laser[J]. Chinese Journal of Lasers, 2022, 49(17): 1701004

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    Paper Information

    Category: laser devices and laser physics

    Received: Nov. 23, 2021

    Accepted: Jan. 14, 2022

    Published Online: Jul. 28, 2022

    The Author Email: Lei Hong (leihong@bjut.edu.cn), Li Qiang (ncltlq@bjut.edu.cn)

    DOI:10.3788/CJL202249.1701004

    Topics

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