Hierarchical laser-induced periodic surface structures induced by femtosecond laser on the surface of a ZnO film - 文章详情页

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摘要：

We　realize　hierarchical　laser-induced　periodic　surface　structures　(LIPSSs)　on　the　surface　of　a　ZnO　thin　film　in　a　single　step　by　the　irradiation　of　femtosecond　laser　pulses.　The　structures　are　characterized　by　the　high-spatial-frequency　LIPSSs　(HSFLs)　formed　on　the　abnormal　bumped　low-spatial-frequency　LIPSSs　(LSFLs).　Localized　electric-field　enhancement　based　on　the　initially　formed　LSFLs　is　proposed　as　a　potential　mechanism　for　the　formation　of　HSFLs.　The　simulation　results　through　the　finite-difference　time-domain　method　show　good　agreement　with　experiments.　Furthermore,　the　crucial　role　of　the　LSFLs　in　the　formation　of　HSFLs　is　validated　by　an　elaborate　experimental　design　with　preprocessed　HSFLs.　(C)　2018　The　Japan　Society　of　Applied　Physics

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作者机构：

[ 1 ] [Wang, Shaojun]Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China
[ 2 ] [Jiang, Lan]Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China
[ 3 ] [Hu, Jie]Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China
[ 4 ] [Li, Xiaowei]Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China
[ 5 ] [Wang, Qingsong]Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China
[ 6 ] [Jiang, Lan]Tsinghua Univ, Dept Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100084, Peoples R China
[ 7 ] [Han, Weina]Beijing Univ Technol, Beijing Engn Res Ctr Appl Laser Technol, Inst Laser Engn, Beijing 100124, Peoples R China
[ 8 ] [Lu, Yongfeng]Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA

通讯作者信息：

[Hu, Jie]Beijing Inst Technol, Sch Mech Engn, Laser Micro Nanofabricat Lab, Beijing 100081, Peoples R China

电子邮件地址：

jiehu2@bit.edu.cn

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