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," Chin. Opt. Lett. 18, 021403 (2020)

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- Chinese Optics Letters
- Vol. 18, Issue 2, 021403 (2020)

Fig. 1. Experimental setup for laser-induced damage test.

Fig. 2. Exposed sites of samples and the corresponding laser fluence.

Fig. 3. Damage probability plot, damage threshold .

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.](/Images/icon/loading.gif)
Fig. 5. (a), (b) Optical damage micrograph for the laser fluence of . (c) Analysis of Newton’s rings for the four fragments [a, b, c, d in (a)]. (d) The origin of the ring pattern.

Fig. 6. SEM image of the laser-irradiated under different laser fluence at (a) , (b) , (c) , and (d) .

Fig. 7. SEM image of the laser-irradiated under .
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Table 1. Laser Fluence and Fringe Spacing of LIPSS

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