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Chinese Journal of Lasers, Volume. 52, Issue 6, 0601005(2025)

972 nm Nanosecond Pulsed Laser Based on Ring‐Cavity KTA Optical Parametric Oscillator

Yue Song1, Zhenzhen Yu1,2, Shiguang Li1, Sheng Zhang1, Mingjian Wang1,2, Yuncheng Xu3、*, Xia Hou1,2、**, and Weibiao Chen1,2
Author Affiliations
  • 1Wang Zhijiang Innovation Center for Laser, Aerospace Laser Technology and System Department, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Chinese People’s Liberation Army Military Space Force, Beijing 100080, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(10)
    Experimental setup for 972 nm nanosecond pulsed laser

    Fig. 1. Experimental setup for 972 nm nanosecond pulsed laser

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    Near-field intensity distribution of 1064 nm pulsed laser after multi-stage amplification

    Fig. 2. Near-field intensity distribution of 1064 nm pulsed laser after multi-stage amplification

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    532 nm output laser energy versus 1064 nm pump laser energy

    Fig. 3. 532 nm output laser energy versus 1064 nm pump laser energy

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    Waveform of 532 nm pulsed laser

    Fig. 4. Waveform of 532 nm pulsed laser

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    Near-field intensity distribution of 532 nm pulsed laser

    Fig. 5. Near-field intensity distribution of 532 nm pulsed laser

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    Center wavelength of 532 nm pulsed laser

    Fig. 6. Center wavelength of 532 nm pulsed laser

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    972 nm output laser energy and optical-to-optical conversion efficiency versus 532 nm pump laser energy

    Fig. 7. 972 nm output laser energy and optical-to-optical conversion efficiency versus 532 nm pump laser energy

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    Waveform of 972 nm pulsed laser

    Fig. 8. Waveform of 972 nm pulsed laser

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    Spectral characteristic of 972 nm pulsed laser

    Fig. 9. Spectral characteristic of 972 nm pulsed laser

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    Near-field intensity distributions of 972 nm pulsed laser. (a) Near field; (b) far field

    Fig. 10. Near-field intensity distributions of 972 nm pulsed laser. (a) Near field; (b) far field

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    Yue Song, Zhenzhen Yu, Shiguang Li, Sheng Zhang, Mingjian Wang, Yuncheng Xu, Xia Hou, Weibiao Chen. 972 nm Nanosecond Pulsed Laser Based on Ring‐Cavity KTA Optical Parametric Oscillator[J]. Chinese Journal of Lasers, 2025, 52(6): 0601005

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    Paper Information

    Category: laser devices and laser physics

    Received: Aug. 26, 2024

    Accepted: Nov. 11, 2024

    Published Online: Mar. 18, 2025

    The Author Email: Yuncheng Xu (xycwhy@163.com), Xia Hou (hou_xia@siom.ac.cn)

    DOI:10.3788/CJL241165

    CSTR:32183.14.CJL241165

    Topics

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