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Highly ordered laser imprinted plasmonic metasurfaces for polarization sensitive perfect absorption.
Tasolamprou, Anna C; Skoulas, Evangelos; Perrakis, George; Vlahou, Matina; Viskadourakis, Zacharias; Economou, Eleftherios N; Kafesaki, Maria; Kenanakis, George; Stratakis, Emmanuel.
Afiliación
  • Tasolamprou AC; Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Crete, 71110, Heraklion, Greece. atasolam@iesl.foth.gr.
  • Skoulas E; Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Crete, 71110, Heraklion, Greece.
  • Perrakis G; Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Crete, 71110, Heraklion, Greece.
  • Vlahou M; Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Crete, 71110, Heraklion, Greece.
  • Viskadourakis Z; Department of Materials Science and Technology, University of Crete, 70013, Heraklion, Greece.
  • Economou EN; Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Crete, 71110, Heraklion, Greece.
  • Kafesaki M; Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Crete, 71110, Heraklion, Greece.
  • Kenanakis G; Department of Physics, University of Crete, 70013, Heraklion, Greece.
  • Stratakis E; Institute of Electronic Structure and Laser, Foundation for Research and Technology Hellas, N. Plastira 100, Crete, 71110, Heraklion, Greece.
Sci Rep ; 12(1): 19769, 2022 Nov 17.
Article en En | MEDLINE | ID: mdl-36396673
We present polarization-sensitive gap surface plasmon metasurfaces fabricated with direct material processing using pulsed laser light, an alternative and versatile approach. In particular we imprint laser induced periodic surface structures on nanometer-thick Ni films, which are back-plated by a grounded dielectric layer with TiO2 and ZnO deposition followed by Au evaporation. The procedure results in a metal-insulator-metal type plasmonic metasurface with a corrugated top layer consisting of highly-ordered, sinusoidal shaped, periodic, thin, metallic nanowires. The metasurface sustains sharp, resonant gap surface plasmons and provides various opportunities for polarization control in reflection, which is here switched by the size and infiltrating material of the insulating cavity. The polarization control is associated with the polarization sensitive perfect absorption and leads to high extinction ratios in the near-IR and mid-IR spectral areas. Corresponding Fourier-transform infrared spectroscopy measurements experimentally demonstrate that the fabrication approach produces metasurfaces with very well-defined, controllable, sharp resonances and polarization sensitive resonant absorption response which, depending on the insulating cavity size, impacts either the normal or the parallel to the nanowires polarization.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Sci Rep Año: 2022 Tipo del documento: Article País de afiliación: Grecia Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies Idioma: En Revista: Sci Rep Año: 2022 Tipo del documento: Article País de afiliación: Grecia Pais de publicación: Reino Unido