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Chinese Journal of Lasers, Volume. 52, Issue 5, 0501018(2025)

Single‑Bar Laser Diode End‑Pumped Single‑Frequency Ultraviolet Laser

Yue Zhao1,2,4, Xiao Chen1,2,3、*, Mingjian Wang1,2,3, Pan Feng1,2,3, Guofeng Xin1,2,3, Xia Hou1,2,3,4, and Decang Bi1,2,3,4、**
Author Affiliations
  • 1Wangzhijiang Innovation Center for Laser, Aerospace Laser Technology and System Department, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 3Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 4Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (36)
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    Figures & Tables(9)
    Structural diagram of LD end-pumped solid-state laser

    Fig. 1. Structural diagram of LD end-pumped solid-state laser

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    Schematic diagram of pump light shaping structure

    Fig. 2. Schematic diagram of pump light shaping structure

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    Zemax simulation diagrams of pump light shaping.

    Fig. 3. Zemax simulation diagrams of pump light shaping.

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    Output intensity distributions of pump light after shaping. (a) At focal point; (b) at 7 mm position behind focal point

    Fig. 4. Output intensity distributions of pump light after shaping. (a) At focal point; (b) at 7 mm position behind focal point

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    Dual-pass amplified output pulse energy versus peak power of pump light

    Fig. 5. Dual-pass amplified output pulse energy versus peak power of pump light

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    Intensity distribution of seed light and optical properties of amplified light. (a) Seed light intensity distribution at Nd∶YVO4 laser crystal; (b) near-field spot after dual-pass amplification; (c) pulse waveform after dual-pass amplification; (d) beam quality after dual-pass amplification

    Fig. 6. Intensity distribution of seed light and optical properties of amplified light. (a) Seed light intensity distribution at Nd∶YVO4 laser crystal; (b) near-field spot after dual-pass amplification; (c) pulse waveform after dual-pass amplification; (d) beam quality after dual-pass amplification

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    Optical characteristics of output 355 nm ultraviolet laser . (a) Energy; (b) pulse waveform; (c) beam quality factor; (d) wavelength

    Fig. 7. Optical characteristics of output 355 nm ultraviolet laser . (a) Energy; (b) pulse waveform; (c) beam quality factor; (d) wavelength

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    Mechanical structure of laser

    Fig. 8. Mechanical structure of laser

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    Comparison between designed scheme and pump LD with pigtail output

    Fig. 9. Comparison between designed scheme and pump LD with pigtail output

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    Yue Zhao, Xiao Chen, Mingjian Wang, Pan Feng, Guofeng Xin, Xia Hou, Decang Bi. Single‑Bar Laser Diode End‑Pumped Single‑Frequency Ultraviolet Laser[J]. Chinese Journal of Lasers, 2025, 52(5): 0501018

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    Paper Information

    Category: laser devices and laser physics

    Received: Oct. 22, 2024

    Accepted: Jan. 21, 2025

    Published Online: Mar. 13, 2025

    The Author Email: Xiao Chen (chenxiao@siom.ac.cn), Decang Bi (bidecang@siom.ac.cn)

    DOI:10.3788/CJL241284

    CSTR:32183.14.CJL241284

    Topics

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