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

Laser-induced explosion of H₂O droplets: spatially resolved spectra

J. H. Eickmans, W.-F. Hsieh, and R. K. Chang
Opt. Lett. 12(1) 22-24 (1987)

Brillouin-gain spectra for single-mode fibers having pure-silica, GeO₂-doped, and P₂O₅-doped cores

Nori Shibata, Robert G. Waarts, and Ralf P. Braun
Opt. Lett. 12(4) 269-271 (1987)

Wavelength scaling of atmospheric aerosol scattering and extinction

Eli Trakhovsky and Eric P. Shettle
Appl. Opt. 26(23) 5148-5153 (1987)

Spatial evolution of the near-field distribution on planar gold nanoparticles with the excitation wavelength across dipole and quadrupole modes

Jinghuan Yang, Quan Sun, Han Yu, Kosei Ueno, Hiroaki Misawa, and Qihuang Gong
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Errors in single-mode cutoff wavelength measurements due to periodic features in the transmission spectrum of a short multimode reference fiber

Casey S. Shaar, David A. Kritler, and Peter S. Lovely
Opt. Lett. 12(2) 132-134 (1987)