Hierarchical laser-induced periodic surface structures induced by femtosecond laser on the surface of a ZnO film

Shaojun Wang; Lan Jiang; Weina Han; Jie Hu; Xiaowei Li; Qingsong Wang; Yongfeng Lu

doi:10.7567/APEX.11.052703

Hierarchical laser-induced periodic surface structures induced by femtosecond laser on the surface of a ZnO film

Shaojun Wang, Lan Jiang, Weina Han, Jie Hu, Xiaowei Li, Qingsong Wang, Yongfeng Lu

Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

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.

Original language	English (US)
Article number	052703
Journal	Applied Physics Express
Volume	11
Issue number	5
DOIs	https://doi.org/10.7567/APEX.11.052703
State	Published - May 2018

ASJC Scopus subject areas

General Engineering
General Physics and Astronomy

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title = "Hierarchical laser-induced periodic surface structures induced by femtosecond laser on the surface of a ZnO film",

abstract = "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.",

author = "Shaojun Wang and Lan Jiang and Weina Han and Jie Hu and Xiaowei Li and Qingsong Wang and Yongfeng Lu",

note = "Funding Information: Acknowledgments The authors thank the National Key R&D Program of China (Grant No. 2017YFB1104300) and the National Natural Science Foundation of China (NSFC) (Grants Nos. 51675048 and 51675049). Publisher Copyright: {\textcopyright} 2018 The Japan Society of Applied Physics.",

year = "2018",

month = may,

doi = "10.7567/APEX.11.052703",

language = "English (US)",

volume = "11",

journal = "Applied Physics Express",

issn = "1882-0778",

publisher = "Japan Society of Applied Physics",

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T1 - Hierarchical laser-induced periodic surface structures induced by femtosecond laser on the surface of a ZnO film

AU - Wang, Shaojun

AU - Jiang, Lan

AU - Han, Weina

AU - Hu, Jie

AU - Li, Xiaowei

AU - Wang, Qingsong

AU - Lu, Yongfeng

N1 - Funding Information: Acknowledgments The authors thank the National Key R&D Program of China (Grant No. 2017YFB1104300) and the National Natural Science Foundation of China (NSFC) (Grants Nos. 51675048 and 51675049). Publisher Copyright: © 2018 The Japan Society of Applied Physics.

PY - 2018/5

Y1 - 2018/5

N2 - 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.

AB - 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.

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JF - Applied Physics Express

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Hierarchical laser-induced periodic surface structures induced by femtosecond laser on the surface of a ZnO film

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