Special Section on Nanophotonics in Japan

Optical characterization of plasmonic metallic nanostructures fabricated by high-resolution lithography

[+] Author Affiliations
Yukie Yokota

M.Sc

Kosei Ueno, Vygantas Mizeiki

Hokkaido University

Saulius Juodkazis

Hokkaido Univ.

Keiji Sasaki

Hokkaido University

Hiroaki Misawa

Core Research for Evolution Science and Technology, Hokkaido University

J. Nanophoton. 1(1), 011594 (December 19, 2007). doi:10.1117/1.2832749
History: Received November 7, 2007; Revised December 8, 2007; Accepted December 11, 2007; December 19, 2007; Online December 19, 2007
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Abstract

Highly homogeneous arrays of Ag, Au and Cu nanorods were fabricated on glass substrates using electron-beam lithography and lift-off techniques. Optical properties of the fabricated structures related to localized surface plasmons (LSP), and their dependencies on the nanorod size were studied experimentally by optical extinction spectroscopy. Spectral tuning of LSP resonant scattering bands in a wide spectral range, from visible to near-infrared wavelengths, can be accomplished by tailoring of the nanorod dimensions, aspect ratios, and heights. The observed results qualitatively agree with Gans theory and numerical modeling by finite-difference time-domain technique.

© 2007 Society of Photo-Optical Instrumentation Engineers

Citation

Yukie Yokota ; Kosei Ueno ; Vygantas Mizeiki ; Saulius Juodkazis ; Keiji Sasaki, et al.
"Optical characterization of plasmonic metallic nanostructures fabricated by high-resolution lithography", J. Nanophoton. 1(1), 011594 (December 19, 2007). ; http://dx.doi.org/10.1117/1.2832749


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