High Power Laser and Particle Beams, Volume. 32, Issue 11, 112009(2020)

Research progress of low-temporal-coherence light frequency conversion technology for high power Nd:glass laser system

Lailin Ji... Xiaohui Zhao, Dong Liu, Lan Xia, Yanqi Gao, Yong Cui, Daxing Rao, Wei Feng, Jiani Liu, Xiaoli Li, Jia Liu, Haitao Shi, Tao Wang, Pengyuan Du, Tianxiong Zhang, Zhan Sui, Weixin Ma and Jian Zhu |Show fewer author(s)
Author Affiliations
  • Shanghai institute of laser plasma, CAEP, Shanghai 201800, China
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    Figures & Tables(19)
    Layout of Second harmonic generation with quadrature type II KDP
    Layout of third harmonic generation with double type II KDP
    Layout of type II KDP doubler with angular spectrum dispersion by grating
    Layout of type I KDP doubler with angular spectrum dispersion by cylindrical lens
    Phase-matching curve for frequency tripling of pulses near 1057 nm in a KDP crystal type II cut at angle 59.07°
    Conception of adiabatic processes in frequency conversion
    Insensitive wavelength vs the deuterium ration in room temperature
    Characteristics of doubling conversion efficiency with wavelength in partial deuterium DKDP
    Numerical simulation process of super luminescent diode(SLD)light pulse
    Numerical simulation doubling characteristics of SLD pulse
    Statistical distribution of intensity fluctuation in temporal and frequency domain with doubling process
    Experimental setup
    Results of experiment
    Conversion efficiency with large aperture 17% deuterium DKDP
    comparisons of near field of FW&SH for 17% deuterium DKDP.
    Conception of third harmonics generation with gradient deuterium DKDP and sum frequency of broadband & narrow bandwidth
    Conversion efficiency vs the wavelength in gradient deuterium
    • Table 1.

      Comparison of conversion bandwidth with partial deuterium KDP

      晶体的转换带宽比较(I~3 GW/cm2l=20 mm)

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      Table 1.

      Comparison of conversion bandwidth with partial deuterium KDP

      晶体的转换带宽比较(I~3 GW/cm2l=20 mm)

      No.bandwidth @95% peak/nmbandwidth @90% peak/nmbandwidth @50% peak/nm
      KDP237
      16%DKDP151726
    • Table 2.

      Value of parameters in equation(3)

      方程(3)中各物理量数值

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      Table 2.

      Value of parameters in equation(3)

      方程(3)中各物理量数值

      αω/(cm−1) γ1/(cm2·GW−1) γ1/(cm2·GW−1) γ12/(cm2·GW−1) vF/(m·s−1) vH/(m·s−1) k1″/(fs2·mm−1) k1″/(fs2·mm−1)
      0.0582.3×10−73.5×10−70.08×10−7c/1.5227 c/1.5223 −8.870.4
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    Lailin Ji, Xiaohui Zhao, Dong Liu, Lan Xia, Yanqi Gao, Yong Cui, Daxing Rao, Wei Feng, Jiani Liu, Xiaoli Li, Jia Liu, Haitao Shi, Tao Wang, Pengyuan Du, Tianxiong Zhang, Zhan Sui, Weixin Ma, Jian Zhu. Research progress of low-temporal-coherence light frequency conversion technology for high power Nd:glass laser system[J]. High Power Laser and Particle Beams, 2020, 32(11): 112009

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    Paper Information

    Category: Inertial Confinement Fusion Physics and Technology

    Received: May. 1, 2020

    Accepted: --

    Published Online: Jan. 4, 2021

    The Author Email:

    DOI:10.11884/HPLPB202032.200103

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