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Chinese Optics Letters, Volume. 18, Issue 2, 021401(2020)

1.5 J high-beam-quality Nd:LuAG ceramic active mirror laser amplifier

Jianlei Wang1,2、*, Kaiqi Zhao2,3, Tao Feng2,4, Xiaolei Zhu1,2, and Weibiao Chen1,2
Author Affiliations
  • 1Key Laboratory of Space Laser Communication and Detection Technology, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Shanghai 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 201800, China
  • 4Key Laboratory of Materials for High Power Laser, Chinese Academy of Sciences, Shanghai 201800, China
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    Schematic diagram of the laser. HR: high reflector, PBS: polarized beam splitter, QWP: quarter-wave plate, LDA: laser diode array, SA: serrated aperture.

    Fig. 1. Schematic diagram of the laser. HR: high reflector, PBS: polarized beam splitter, QWP: quarter-wave plate, LDA: laser diode array, SA: serrated aperture.

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    (a) Transmittance curve and (b) microstructure of Nd:LuAG ceramic.

    Fig. 2. (a) Transmittance curve and (b) microstructure of Nd:LuAG ceramic.

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    Small signal gain versus pump energy.

    Fig. 3. Small signal gain versus pump energy.

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    Output performance versus input energy.

    Fig. 4. Output performance versus input energy.

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    Reflectivity of the SBS-PCM as a function of input energy.

    Fig. 5. Reflectivity of the SBS-PCM as a function of input energy.

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    (a) NFP, (b) compressed pulse duration, (c) FFP, and (d) encircled focal spot energy fraction of the double-pass amplified laser pulse with SBS-PCM.

    Fig. 6. (a) NFP, (b) compressed pulse duration, (c) FFP, and (d) encircled focal spot energy fraction of the double-pass amplified laser pulse with SBS-PCM.

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    Jianlei Wang, Kaiqi Zhao, Tao Feng, Xiaolei Zhu, Weibiao Chen, "1.5 J high-beam-quality Nd:LuAG ceramic active mirror laser amplifier," Chin. Opt. Lett. 18, 021401 (2020)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Aug. 28, 2019

    Accepted: Nov. 1, 2019

    Published Online: Dec. 30, 2019

    The Author Email: Jianlei Wang (wangjl@siom.ac.cn)

    DOI:10.3788/COL202018.021401

    Topics

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