• High Power Laser and Particle Beams
  • Vol. 34, Issue 6, 061003 (2022)
Yunfei Li1、2, Jinfang Shi1、2、*, Rong Qiu2, Jian Yu1、2, Decheng Guo2, and Lei Zhou2
Author Affiliations
  • 1School of Manufacturing Science and Engineering, Key Laboratory of Testing Technology for Manufacturing Process of Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China
  • 2Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621010, China
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    DOI: 10.11884/HPLPB202234.220060 Cite this Article
    Yunfei Li, Jinfang Shi, Rong Qiu, Jian Yu, Decheng Guo, Lei Zhou. Effect of 355 nm and 1064 nm dual-wavelength conditioning on the bulk damage properties of DKDP crystal[J]. High Power Laser and Particle Beams, 2022, 34(6): 061003 Copy Citation Text show less
    Experimental system diagram of dual-wavelength conditioning and damage test
    Fig. 1. Experimental system diagram of dual-wavelength conditioning and damage test
    DKDP crystal material
    Fig. 2. DKDP crystal material
    The effect of dual-wavelength conditioning with different energy density combinations on the 3ω damage probability of DKDP crystal
    Fig. 3. The effect of dual-wavelength conditioning with different energy density combinations on the 3ω damage probability of DKDP crystal
    Typical bulk damage pinpoint morphologies under different laser conditioning
    Fig. 4. Typical bulk damage pinpoint morphologies under different laser conditioning
    group Afluence/(J·cm−2) group Bfluence/(J·cm−2)
    1ω3ω1ω3ω
    A107.4, 9.2, 11.0, 12.8, 14.6B107.4, 9.2, 11.0
    A22.67.4, 9.2, 11.0, 12.8, 14.6B27.97.4, 9.2, 11.0
    A35.37.4, 9.2, 11.0, 12.8, 14.6B310.67.4, 9.2, 11.0
    A47.97.4, 9.2, 11.0, 12.8, 14.6B415.97.4, 9.2, 11.0
    A510.67.4, 9.2, 11.0, 12.8, 14.6
    Table 1. Dual-wavelength conditioning parameters
    groupareainitial bulk damage threshold/(J·cm−2) percentage/%mean pinpoints density/mm3(3ω, about 33.6 J/cm2)
    without conditioning13.7025
    AA116.621.210
    A218.232.88
    A318.837.24
    A419.945.31
    BB116.319.118
    B219.340.94
    B318.333.65
    B417.527.711
    Table 2. Maximum zero probability damage threshold and average damage pinpoints density of 3ω under different pre-exposure methods
    areaconditioning methods1ω energy density/(J·cm−2) b
    without pre-exposure−13.752
    AA13ω0−16.664
    A23ω+1ω2.6−18.062
    A35.3−18.934
    A47.9−19.844
    BB13ω0−16.001
    B23ω+1ω7.9−19.140
    B310.6−18.196
    B415.9−17.291
    Table 3. Relationship between conditioning parameters and b
    Yunfei Li, Jinfang Shi, Rong Qiu, Jian Yu, Decheng Guo, Lei Zhou. Effect of 355 nm and 1064 nm dual-wavelength conditioning on the bulk damage properties of DKDP crystal[J]. High Power Laser and Particle Beams, 2022, 34(6): 061003
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