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

Jianlei Wang; Kaiqi Zhao; Tao Feng; Xiaolei Zhu; Weibiao Chen

doi:10.3788/COL202018.021401

Journals >Chinese Optics Letters >Volume 18 >Issue 2 >Page 021401 > Article

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

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

Jianlei Wang^1、2、*, Kaiqi Zhao^2、3, Tao Feng^2、4, Xiaolei Zhu^1、2, and Weibiao Chen^1、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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DOI: 10.3788/COL202018.021401 Cite this Article Set citation alerts

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 Copy Citation Text

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

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Fig. 3. Small signal gain versus pump energy.

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Fig. 4. Output performance versus input energy.

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

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