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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 12, Iss. 7 — Jul. 1, 1987
  • pp: 465–467

Quadrupole mode in the extinction and elastic-scattering spectra of gold microstructures

William P. Acker, Burghard Schlicht, Richard K. Chang, and Peter W. Barber  »View Author Affiliations


Optics Letters, Vol. 12, Issue 7, pp. 465-467 (1987)
http://dx.doi.org/10.1364/OL.12.000465


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Abstract

The quadrupole mode and the retardation-broadened, wavelength-shifted dipole mode have been observed in the extinction and elastic-scattering spectra of two-dimensional arrays of Au microstructures immersed in air, water, and toluene. The electron-beam lithographically produced Au microstructures, resembling hemispheres with radius ∼100 nm, were arranged in a square lattice with a center-to-center separation of 500 nm and situated on a 5-nm-thick layer of Cr coated on an optically flat quartz substrate.

© 1987 Optical Society of America

History
Original Manuscript: November 14, 1986
Manuscript Accepted: March 30, 1987
Published: July 1, 1987

Citation
William P. Acker, Peter W. Barber, Burghard Schlicht, and Richard K. Chang, "Quadrupole mode in the extinction and elastic-scattering spectra of gold microstructures," Opt. Lett. 12, 465-467 (1987)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-12-7-465

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