• Chinese Optics Letters
  • Vol. 18, Issue 2, 021403 (2020)
Jingzhen Shao1、2、3, Xu Liang1、2、3, Libing You1、2, Ning Pan1, Ying Lin1, Shimao Wang1、2, Zanhong Deng1, Xiaodong Fang1、2、*, and Xi Wang2、3、**
Author Affiliations
  • 1Anhui Provincial Key Laboratory of Photonics Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
  • 2Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China
  • 3State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China
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    DOI: 10.3788/COL202018.021403 Cite this Article Set citation alerts
    Jingzhen Shao, Xu Liang, Libing You, Ning Pan, Ying Lin, Shimao Wang, Zanhong Deng, Xiaodong Fang, Xi Wang. Laser-induced damage and periodic stripe structures of a CaF2 single crystal by an ArF excimer laser[J]. Chinese Optics Letters, 2020, 18(2): 021403 Copy Citation Text show less
    Experimental setup for laser-induced damage test.
    Fig. 1. Experimental setup for laser-induced damage test.
    Exposed sites of CaF2 samples and the corresponding laser fluence.
    Fig. 2. Exposed sites of CaF2 samples and the corresponding laser fluence.
    Damage probability plot, damage threshold 2.37 J/cm2.
    Fig. 3. Damage probability plot, damage threshold 2.37J/cm2.
    Optical micrograph of the damage site for different laser fluence.
    Fig. 4. Optical micrograph of the damage site for different laser fluence.
    (a), (b) Optical damage micrograph for the laser fluence of 5.10 J/cm2. (c) Analysis of Newton’s rings for the four fragments [a, b, c, d in (a)]. (d) The origin of the ring pattern.
    Fig. 5. (a), (b) Optical damage micrograph for the laser fluence of 5.10J/cm2. (c) Analysis of Newton’s rings for the four fragments [a, b, c, d in (a)]. (d) The origin of the ring pattern.
    SEM image of the laser-irradiated CaF2 under different laser fluence at (a) 7.34 J/cm2, (b) 6.60 J/cm2, (c) 5.75 J/cm2, and (d) 4.53 J/cm2.
    Fig. 6. SEM image of the laser-irradiated CaF2 under different laser fluence at (a) 7.34J/cm2, (b) 6.60J/cm2, (c) 5.75J/cm2, and (d) 4.53J/cm2.
    SEM image of the laser-irradiated CaF2 under 7.34 J/cm2.
    Fig. 7. SEM image of the laser-irradiated CaF2 under 7.34J/cm2.
    No.IIIIIIIVVVIVIIVIIIIX
    Laser fluence (J/cm2)7.347.347.346.606.605.754.534.534.53
    Fringe spacing (nm)453296548403627654202386153
    Table 1. Laser Fluence and Fringe Spacing of LIPSS
    Jingzhen Shao, Xu Liang, Libing You, Ning Pan, Ying Lin, Shimao Wang, Zanhong Deng, Xiaodong Fang, Xi Wang. Laser-induced damage and periodic stripe structures of a CaF2 single crystal by an ArF excimer laser[J]. Chinese Optics Letters, 2020, 18(2): 021403
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