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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 25 — Dec. 16, 2013
  • pp: 30796–30811

Anisotropic plasmonic Cu nanoparticles in sol-gel oxide nanopillars studied by spectroscopic Mueller matrix ellipsometry

Z. Ghadyani, M. Kildemo, L. M. S. Aas, Y. Cohin, and E. Søndergård  »View Author Affiliations


Optics Express, Vol. 21, Issue 25, pp. 30796-30811 (2013)
http://dx.doi.org/10.1364/OE.21.030796


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Abstract

Broadened plasmon resonances of Cu nanoparticles in nanopatterned mixed oxide sol-gel nanopillars are shown to be readily detected by spectroscopic Mueller matrix ellipsometry. The plasmonic nanomaterials are obtained by low energy ion sputtering of a CuO sol-gel film. Both s- and p-polarized plasmon resonances are observed in the off-block-diagonal and the block-diagonal Mueller matrix elements as well as in the generalized ellipsometric parameters. The resonant features in all elements correlate with both maximum depolarization and a minimum in the reflected intensity. The spectral position and the polarization character of the plasmon resonances are discussed phenomenologically through effective medium theory.

© 2013 Optical Society of America

OCIS Codes
(040.5350) Detectors : Photovoltaic
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(300.0300) Spectroscopy : Spectroscopy
(160.4236) Materials : Nanomaterials
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Metamaterials

History
Original Manuscript: September 12, 2013
Revised Manuscript: November 18, 2013
Manuscript Accepted: November 27, 2013
Published: December 6, 2013

Citation
Z. Ghadyani, M. Kildemo, L. M. S. Aas, Y. Cohin, and E. Søndergård, "Anisotropic plasmonic Cu nanoparticles in sol-gel oxide nanopillars studied by spectroscopic Mueller matrix ellipsometry," Opt. Express 21, 30796-30811 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-25-30796


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