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

Balázs Bánhegyi; László Péter; Péter Dombi; Zsuzsanna Pápa

doi:10.1117/12.2620645

24 May 2022 Femtosecond LIPSS on indium-tin-oxide thin films at IR wavelengths

Balázs Bánhegyi, László Péter, Péter Dombi, Zsuzsanna Pápa

Proceedings Volume 12131, Nanophotonics IX; 1213106 (2022) https://doi.org/10.1117/12.2620645
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

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 λ/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.

Conference Presentation

Citation Download Citation

Balázs Bánhegyi, László Péter, Péter Dombi, and Zsuzsanna Pápa "Femtosecond LIPSS on indium-tin-oxide thin films at IR wavelengths", Proc. SPIE 12131, Nanophotonics IX, 1213106 (24 May 2022); https://doi.org/10.1117/12.2620645

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