Quadrupole mode in the extinction and elastic-scattering spectra of gold microstructures
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
Citation
William P. Acker, Burghard Schlicht, Richard K. Chang, and Peter W. Barber, "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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