Femtosecond LIPSS on indium-tin oxide thin films at IR wavelengths

被引:0
|
作者
Banhegyi, Balazs [1 ,2 ]
Peter, Laszlo [1 ]
Dombi, Peter [1 ,3 ]
Papa, Zsuzsanna [1 ,3 ]
机构
[1] Wigner Res Ctr Phys, Konkoly Thege Miklos Ut 29-33, H-1121 Budapest, Hungary
[2] Budapest Univ Technol & Econ, Dept Atom Phys, Budafoki Ut 8, H-1111 Budapest, Hungary
[3] ELI HU Nonprofit Kft, ELI ALPS, Wolfgang Sandner Utca 3, H-6728 Szeged, Hungary
来源
NANOPHOTONICS IX | 2022年 / 12131卷
关键词
LIPSS; femtosecond; light-matter interaction;
D O I
10.1117/12.2620645
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In our work we focused femtosecond laser pulses in the infrared region onto conducting indium-tin-oxide (ITO) thin films. We observed laser induced periodic surface structures (LIPSS) with increasing periodicity close to lambda/10 scaling. We conducted supporting finite-difference time-domain calculations to investigate the origin of these morphologies. The results suggest that the surface forms are rooted in the field localization in the surface pits leading to a periodically increased absorption of the laser pulse energy that creates the observed periodic structures.
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页数:6
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