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  • Received: Aug. 28, 2019

    Accepted: Nov. 1, 2019

    Posted: Dec. 24, 2019

    Published Online: Dec. 30, 2019

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

    DOI: 10.3788/COL202018.021401

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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[J]. Chinese Optics Letters, 2020, 18(2): 021401

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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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