The Damage Threshold of Multilayer Film Induced by Femtosecond and Picosecond Laser Pulses

doi:10.3390/coatings12020251

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	The Damage Threshold of Multilayer Film Induced by Femtosecond and Picosecond Laser Pulses
	Y. Z. Wang; X. Z. Cheng; J. F. Shao; C. B. Zheng; A. M. Chen and L. W. Zhang
	2022
发表期刊	Coatings
卷号	12 期号:2 页码:8
摘要	Laser-induced damage threshold (LIDT) is an essential factor in measuring the anti-laser damage of optical films. The damage threshold and morphology of the Ta2O5/SiO2 multilayer film prepared by electron beam evaporation were studied by femtosecond (50 fs) and picosecond (30 ps) laser irradiations. The results showed that the LIDT of the film was 1.7 J center dot cm(-2) under the femtosecond laser. The damage morphology developed from surface damage to a clear layered structure, and the outline has become more transparent and regular with an increase in the laser fluence. Under the picosecond laser irradiation, the LIDT of the film was 2.0 J center dot cm(-2). The damage morphology developed from small range to thin film layer separation, and the outline changed from blurry to clear with an increase in laser fluence. Therefore, the LIDT of the film decreased with a decrease in the laser pulse width.
DOI	10.3390/coatings12020251
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收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66503
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Z. Wang,X. Z. Cheng,J. F. Shao,et al. The Damage Threshold of Multilayer Film Induced by Femtosecond and Picosecond Laser Pulses[J]. Coatings,2022,12(2):8.
APA	Y. Z. Wang,X. Z. Cheng,J. F. Shao,C. B. Zheng,&A. M. Chen and L. W. Zhang.(2022).The Damage Threshold of Multilayer Film Induced by Femtosecond and Picosecond Laser Pulses.Coatings,12(2),8.
MLA	Y. Z. Wang,et al."The Damage Threshold of Multilayer Film Induced by Femtosecond and Picosecond Laser Pulses".Coatings 12.2(2022):8.

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