Theoretical study on interferometric illumination of gold colloid-sphere monolayers to produce complex structures for spectral engineering

M. Csete, Áron Sipos, Anikó Szalai, Gábor Szabo

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Theoretical study on the interferometric illumination of colloid-sphere monolayers (IICSM) is presented to produce complex plasmonic structures consisting of wavelength-scaled periodic arrays of nano-objects with arbitrary array symmetry and controllable nanoscaled substructure. The IICSM method is based on illumination of hexagonal colloid-sphere monolayers by interference patterns synchronized with sphere arrays along arbitrary preselected crystallographic directions. This nanokaleidoscope method enables tuning four structure parameters independently: the symmetry and characteristic periodicity of the interference pattern might be varied by the number, wavelength, and angle of incidence of the interfering beams; the distance between the nano-objects is controllable by the relative orientation of the interference pattern with respect to the hexagonal lattice of colloid spheres; the size of individual nano-objects is determined by the colloid-spheres' diameter and by the light wavelength; and the substructure size-parameter sensitively depends on the polarization state and can be tuned with the nano-object size simultaneously. Finite element method is applied to demonstrate the capabilities of IICSM based on gold colloid spheres and the impact of the resulted complex plasmonic patterns on spectral properties of thin gold films. The possibility of realizing spectral engineering with predesigned rectangular arrays of hole doublets that may be produced uniquely by IICSM is shown.

Original languageEnglish
Article number6301668
Pages (from-to)1909-1921
Number of pages13
JournalIEEE Photonics Journal
Volume4
Issue number5
DOIs
Publication statusPublished - 2012

Fingerprint

Colloids
colloids
Monolayers
Lighting
Gold
illumination
engineering
gold
substructures
interference
Wavelength
wavelengths
symmetry
periodic variations
finite element method
Tuning
incidence
tuning
Polarization
Finite element method

Keywords

  • colloid-sphere lithography
  • complex pattern
  • Interference
  • nanoplasmonics
  • nanoscale material processing
  • spectral engineering

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Theoretical study on interferometric illumination of gold colloid-sphere monolayers to produce complex structures for spectral engineering. / Csete, M.; Sipos, Áron; Szalai, Anikó; Szabo, Gábor.

In: IEEE Photonics Journal, Vol. 4, No. 5, 6301668, 2012, p. 1909-1921.

Research output: Contribution to journalArticle

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