Nanosecond laser-induced surface damage and material failure mechanism of single crystal CaF2 (111) at 355 nm

Li, Chunhong; Kang, Xiaoli; Han, Wei; Zheng, Wanguo; Su, Liangbi

doi:10.1016/j.apsusc.2019.02.068

Cited by 14 publications

(1 citation statement)

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“…10, and the growth threshold of CaF 2 is observed in this plot. Research has shown that an increase in the damage threshold of CaF 2 takes the form of an exponential function [13]. The linear fit for the data, α= 0.36113 F -1.71603 with R 2 = 0.93545, shown in Fig.…”

Section: Damage-growth Thresholds Of Different Materialsmentioning

confidence: 91%

Growth of Laser Damage in Fused Silica and CaF2 Under 263-nm Laser Irradiation

zhang,

Jiang,

Liu

et al. 2024

Preprint

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This study examined the growth of the laser-damage performance in opticalcomponents under the fourth harmonic of Nd:glass laser irradiation (263-nm).The damage-growth threshold of the optical component was relatively low under 263-nm laser irradiation compared to 351-nm irradiation, owing to the higherenergy level of 4ω photons, and depended on the material characteristics. Thepreliminary growth of laser damage in fused silica and CaF2 under 263-nm laserirradiation is reported in this article. The damage growth thresholds of these twomaterials were obtained by continuously irradiating the optical components usinga 263-nm laser with a pulse width of τ = 5 ns. The damage growth threshold offused silica is lower than that of CaF2 because of differences between the mate-rials. The damage characteristics, including the damage morphology and bulkdamage, were analyzed.

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Section: Damage-growth Thresholds Of Different Materialsmentioning

confidence: 91%