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Article

Three-Step Description of Single-Pulse Formation of Laser-Induced Periodic Surface Structures on Metals

1
University of Applied Sciences Münster, Laser Center (LFM), Stegerwaldstraße 39, 48565 Steinfurt, Germany
2
HiLASE Centre, Institute of Physics of the Czech Academy of Sciences, Za Radnicí 828, 2524 Dolní Břežany, Czech Republic
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(9), 1836; https://doi.org/10.3390/nano10091836
Received: 9 August 2020 / Revised: 2 September 2020 / Accepted: 7 September 2020 / Published: 14 September 2020
Two different scenarios are usually invoked in the formation of femtosecond Laser-Induced Periodic Surface Structures (LIPSS), either “self-organization” mechanisms or a purely “plasmonic” approach. In this paper, a three-step model of formation of single-laser-shot LIPSS is summarized. It is based on the periodic perturbation of the electronic temperature followed by an amplification, for given spatial periods, of the modulation in the lattice temperature and a final possible relocation by hydrodynamic instabilities. An analytical theory of the evolution of the temperature inhomogeneities is reported and supported by numerical calculations on the examples of three different metals: Al, Au, and Mo. The criteria of the possibility of hydrodynamic instabilities are also discussed. View Full-Text
Keywords: femtosecond laser; LIPSS; plasmons; two-temperature model; self-organization; three-step model femtosecond laser; LIPSS; plasmons; two-temperature model; self-organization; three-step model
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MDPI and ACS Style

Gurevich, E.L.; Levy, Y.; Bulgakova, N.M. Three-Step Description of Single-Pulse Formation of Laser-Induced Periodic Surface Structures on Metals. Nanomaterials 2020, 10, 1836. https://doi.org/10.3390/nano10091836

AMA Style

Gurevich EL, Levy Y, Bulgakova NM. Three-Step Description of Single-Pulse Formation of Laser-Induced Periodic Surface Structures on Metals. Nanomaterials. 2020; 10(9):1836. https://doi.org/10.3390/nano10091836

Chicago/Turabian Style

Gurevich, Evgeny L., Yoann Levy, and Nadezhda M. Bulgakova. 2020. "Three-Step Description of Single-Pulse Formation of Laser-Induced Periodic Surface Structures on Metals" Nanomaterials 10, no. 9: 1836. https://doi.org/10.3390/nano10091836

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