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High Power Laser Science and Engineering, Volume. 10, Issue 2, 02000e10(2022)

An efficient high-power femtosecond laser based on periodic-layered-Kerr media nonlinear compression and a Yb:YAG regenerative amplifier

Jie Guo1, Zichen Gao1,2, Di Sun1,2, Xiao Du1,2, Yongxi Gao1,2, and Xiaoyan Liang1、*
Author Affiliations
  • 1State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai201800, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing100049, China
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    (a) Schematic of the ultrafast source: frontend; mode matching optics and isolators; regenerative amplifier; grating compressor; PLKM nonlinear compression stage. L1, L2, lenses of the telescope for mode matching; FI, Faraday isolator; TFP, thin-film polarizer; M1–M11, highly reflective mirrors; HWP, half-wave plate; QWP, quarter-wave plate; PC, Pockels cell; HRM, horizontal roof mirror; VRM, vertical roof mirror; TG, transmission grating; CM1–CM4, chirped mirrors. (b) Detailed PLKM configuration.

    Fig. 1. (a) Schematic of the ultrafast source: frontend; mode matching optics and isolators; regenerative amplifier; grating compressor; PLKM nonlinear compression stage. L1, L2, lenses of the telescope for mode matching; FI, Faraday isolator; TFP, thin-film polarizer; M1–M11, highly reflective mirrors; HWP, half-wave plate; QWP, quarter-wave plate; PC, Pockels cell; HRM, horizontal roof mirror; VRM, vertical roof mirror; TG, transmission grating; CM1–CM4, chirped mirrors. (b) Detailed PLKM configuration.

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    Output beam quality and far-field beam profile after the grating compressor.

    Fig. 2. Output beam quality and far-field beam profile after the grating compressor.

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    (a) Spectra measured at the output of the RA and after the PLKM. (b) Spectra measured after different numbers of sapphire thin plates.

    Fig. 3. (a) Spectra measured at the output of the RA and after the PLKM. (b) Spectra measured after different numbers of sapphire thin plates.

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    Measured and fitted intensity autocorrelation traces of (a) the final output pulse and (b) the output of the grating compressor.

    Fig. 4. Measured and fitted intensity autocorrelation traces of (a) the final output pulse and (b) the output of the grating compressor.

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    (a) The final output beam quality and far-field beam profile. (b) Spectra across the beam profile.

    Fig. 5. (a) The final output beam quality and far-field beam profile. (b) Spectra across the beam profile.

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    Jie Guo, Zichen Gao, Di Sun, Xiao Du, Yongxi Gao, Xiaoyan Liang. An efficient high-power femtosecond laser based on periodic-layered-Kerr media nonlinear compression and a Yb:YAG regenerative amplifier[J]. High Power Laser Science and Engineering, 2022, 10(2): 02000e10

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    Paper Information

    Category: Research Articles

    Received: Jan. 4, 2022

    Accepted: Feb. 14, 2022

    Published Online: Aug. 12, 2022

    The Author Email: Xiaoyan Liang (liangxy@siom.ac.cn)

    DOI:10.1017/hpl.2022.3

    Topics

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