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Direct fabricating large-area nanotriangle structure arrays on tungsten surface by nonlinear lithography of two femtosecond laser beams
Liu, Q.; Zhang, N.; Yang, J. J.; Qiao, H. Z.; Guo, C. L.
2018
发表期刊Optics Express
ISSN1094-4087
卷号26期号:9页码:11718-11727
摘要Two-dimensional arrays of periodic nanostructures are fabricated on bulk tungsten surface within a single step using collinear propagation of two time-delayed femtosecond laser beams with orthogonal polarizations. It is surprisingly found that the geometric profile of the structure unit exhibits a triangle shape in hundred nanometer scales, and its spatial dimension can be modulated by the ambient air pressure ranging from 1 atm to 10(-3) Pa. As the ambient air pressure decreases, the obtained surface structures display a large depth covered with nanowires. Physically, the formation of such triangle structures is originated from the transient physical correlations between the two laser-matter interaction processes, and also affected by the heat transfer effects of the surrounding air. In addition, the experimental measurements reveal that the minimum reflectivity of the nanotriangle surface structures is unprecedentedly reduced to as low as similar to 2.9% especially within the visible-infrared range. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
关键词Optics
DOI10.1364/oe.26.011718
收录类别SCI ; EI
引用统计
被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60954
专题中国科学院长春光学精密机械与物理研究所
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Liu, Q.,Zhang, N.,Yang, J. J.,et al. Direct fabricating large-area nanotriangle structure arrays on tungsten surface by nonlinear lithography of two femtosecond laser beams[J]. Optics Express,2018,26(9):11718-11727.
APA Liu, Q.,Zhang, N.,Yang, J. J.,Qiao, H. Z.,&Guo, C. L..(2018).Direct fabricating large-area nanotriangle structure arrays on tungsten surface by nonlinear lithography of two femtosecond laser beams.Optics Express,26(9),11718-11727.
MLA Liu, Q.,et al."Direct fabricating large-area nanotriangle structure arrays on tungsten surface by nonlinear lithography of two femtosecond laser beams".Optics Express 26.9(2018):11718-11727.
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