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Varied laser induced damage phenomena of gold coated gratings for pulse compression
Xia, Zhilin; Huang, Haopeng; Kong, Fanyu; Wang, Leilei; Jin, Yunxia; xiazhilin@whut.edu.cn; yxjin@siom.ac.cn
2017
发表期刊Opt. Lasers Eng.
卷号95页码:42
摘要In this paper, gold-coated gratings for pulse compression have been prepared and their laser damage experiments have been performed. Varied laser damage morphologies have been observed: when a 60 fs-pulsed laser with energy density slightly higher than the damage threshold was used, damage morphology with a characteristic of discrete distribution of small pits was appeared. These damage pits are linearly distributed at the junction of ridges and grooves. If the laser energy density is much higher than the damage threshold, the gold films was overall ablated and the grating structure disappeared. Besides, if the gold film has poor adhesion, it was peeled off. When a 450 ps-pulsed laser with energy density slightly higher than the damage threshold was used, part of grating ridges will be ablated and an obvious line exists between the ablated area and the unchanged area. In theory, the laser induced temperature field and stress field in gold-coated gratings were calculated based on the electromagnetic field using the finite element method. It is demonstrated that the temperature and thermal stress distribution characteristics are affected by the laser heating rate and the heat diffusion time (the calculated diffusion time ranges from 6 fs to 450 ps), which determines the laser damage characteristics. The possible damage drivers have electron hydrodynamic pressure, thermal ablation and thermal stress.
文章类型Article
部门归属材料
DOI10.1016/j.optlaseng.2017.04.001
资助者NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences ; NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences ; NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences ; NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences
收录类别SCI
资助者NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences ; NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences ; NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences ; NSAF [U1430121]; National Science Foundation of China [10704079]; Key Laboratory of Material for High Power Lasers - Chinese Academy of Sciences
WOS记录号WOS:000401682200006
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28218
专题中科院强激光材料重点实验室
通讯作者xiazhilin@whut.edu.cn; yxjin@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Xia, Zhilin,Huang, Haopeng,Kong, Fanyu,et al. Varied laser induced damage phenomena of gold coated gratings for pulse compression[J]. Opt. Lasers Eng.,2017,95:42.
APA Xia, Zhilin.,Huang, Haopeng.,Kong, Fanyu.,Wang, Leilei.,Jin, Yunxia.,...&yxjin@siom.ac.cn.(2017).Varied laser induced damage phenomena of gold coated gratings for pulse compression.Opt. Lasers Eng.,95,42.
MLA Xia, Zhilin,et al."Varied laser induced damage phenomena of gold coated gratings for pulse compression".Opt. Lasers Eng. 95(2017):42.
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