• High Power Laser and Particle Beams
  • Vol. 32, Issue 11, 112006 (2020)
Yuanjun Wu, Yanqi Gao*, Yilin Hua, Qingnan Xie, Quan Zheng, Weixin Ma, and Zhan Sui
Author Affiliations
  • Shanghai Institute of Laser Plasma, CAEP, Shanghai 201800, China
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    DOI: 10.11884/HPLPB202032.200089 Cite this Article
    Yuanjun Wu, Yanqi Gao, Yilin Hua, Qingnan Xie, Quan Zheng, Weixin Ma, Zhan Sui. Progress in high energy all-solid-state regenerative amplifier[J]. High Power Laser and Particle Beams, 2020, 32(11): 112006 Copy Citation Text show less
    Basic schematic diagram of regenerative amplifier
    Fig. 1. Basic schematic diagram of regenerative amplifier
    Diagram of regenerative cavity(QS and CD are Pockels cells for Q switch and cavity dump;A is aperture)
    Fig. 2. Diagram of regenerative cavity(QS and CD are Pockels cells for Q switch and cavity dump;A is aperture)
    Schematic of diode-pumped regenerative amplifier (DL,diode-laser array;L1,microlens array;L2,cylindrical lens; L3,spherical lens;WG,wedged glass plate)
    Fig. 3. Schematic of diode-pumped regenerative amplifier (DL,diode-laser array;L1,microlens array;L2,cylindrical lens; L3,spherical lens;WG,wedged glass plate)
    Schematic diagram of Nd:YLF ring amplifier(SLM-FL, single longitudinal mode fiber laser;EP,beam expander; SA,serrated aperture;PBS,polarization beam splitter; VSF,vacuum spatial filter;PCP,phase conjugate plate)
    Fig. 4. Schematic diagram of Nd:YLF ring amplifier(SLM-FL, single longitudinal mode fiber laser;EP,beam expander; SA,serrated aperture;PBS,polarization beam splitter; VSF,vacuum spatial filter;PCP,phase conjugate plate)
    Diagram of experimental setup(HR,high reflectivity mirror)
    Fig. 5. Diagram of experimental setup(HR,high reflectivity mirror)
    Diagram of laser system(CM,chirped mirror;PP-MgO:LN,MgO-doped periodically poled LiNbO3 crystal;RTP,rubidium titanyl phosphate)
    Fig. 6. Diagram of laser system(CM,chirped mirror;PP-MgO:LN,MgO-doped periodically poled LiNbO3 crystal;RTP,rubidium titanyl phosphate)
    Diagram of ring cavity(L1 and L2,adjustable lenses; W1 and W2,windows of vacuum spatial filter)
    Fig. 7. Diagram of ring cavity(L1 and L2,adjustable lenses; W1 and W2,windows of vacuum spatial filter)
    Optical setup of regenerative amplifier (vex,convex mirror;cav,concave mirror)
    Fig. 8. Optical setup of regenerative amplifier (vex,convex mirror;cav,concave mirror)
    Diagram of detailed setup of the regenerative amplifier
    Fig. 9. Diagram of detailed setup of the regenerative amplifier
    emitting wavelength/nmemitting bandwidth/nmemitting cross section/(10-20 cm2fluorescent lifetime/μs
    Nd:YAG10640.4588.0230
    Nd:YLF10531.3532.0480
    N31 Nd:glass105325.83.8351
    Table 1.

    Basic parameters of Nd doped laser materials

    掺Nd激光材料基本参数

    pump wavelength/nmemitting wavelength/nmemitting cross section/(10−20 cm2fluorescent lifetime/μsthermal conductivity/(W·m−1·K−1
    53280038(800 nm)3.233(300 K)
    Table 2.

    Basic parameters of Ti:Sapphire

    钛宝石基本参数

    emitting wavelength/nmemitting bandwidth/nmemitting cross section/(10-20 cm2fluorescent lifetime/μs
    Yb:YAG10306.32.30951
    Yb:KYW102516.03.00600
    Yb:Lu2O3103212.01.07820
    Yb:CaF2103070.00.202400
    Table 3.

    Basic parameters of Yb doped laser materials

    掺Yb激光材料基本参数

    Yuanjun Wu, Yanqi Gao, Yilin Hua, Qingnan Xie, Quan Zheng, Weixin Ma, Zhan Sui. Progress in high energy all-solid-state regenerative amplifier[J]. High Power Laser and Particle Beams, 2020, 32(11): 112006
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