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The evidence of the role of surface plasmon polaritons in formation of femtosecond highly-regular laser-induced periodic structures on Cr films
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SYSNO ASEP 0501899 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title The evidence of the role of surface plasmon polaritons in formation of femtosecond highly-regular laser-induced periodic structures on Cr films Author(s) Dostovalov, A.V. (RU)
Derrien, Thibault (FZU-D) ORCID
Přeučil, Filip (FZU-D)
Mocek, Tomáš (FZU-D) RID, ORCID, SAI
Korolkov, V.P. (RU)
Babin, S.A. (RU)
Bulgakova, Nadezhda M. (FZU-D) ORCIDNumber of authors 7 Article number 012025 Source Title Journal of Physics: Conference Series, 3rd International Conference on Metamaterials and Nanophotonics, METANANO 2018, 1092. - Bristol : IOP, 2018 - ISSN 1742-6588 Pages s. 1-4 Number of pages 4 s. Publication form Print - P Action International Conference on Metamaterials and Nanophotonics /3./ (METANANO 2018) Event date 17.09.2018 - 21.09.2018 VEvent location Sochi Country RU - Russian Federation Event type WRD Language eng - English Country GB - United Kingdom Keywords ultrashort laser pulses ; periodic surface structures ; chromium ; thin films ; metal oxydation ; plasmon polariton modes Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects EF15_003/0000445 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LO1602 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA16-12960S GA ČR - Czech Science Foundation (CSF) EF15_006/0000674 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support FZU-D - RVO:68378271 EID SCOPUS 85056235743 DOI 10.1088/1742-6596/1092/1/012025 Annotation Cr films of controlled thickness deposited on glass substrates were irradiated by a high number of low-intensity femtosecond laser pulses below the Cr single-pulse damage threshold,producing periodic surface structures (LIPSS) of very high regularity via metal oxidation.To address the multiplicity of electromagnetic modes allowed for thin films, a rigorous numerical approach for modeling surface plasmon polaritons (SPP) in thin-film geometry has been developed.Three types of modes are predicted: the classical SPP with periodicities Λ ~ λ (λ is laser wavelength) at air-film interface, and Λ ~ λ/n at film-substrate interface (n is refractive index of substrate),and a propagation mode Λ ~ λ/nCr where nCr is refractive index of film material.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2019
Number of the records: 1