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Proceedings Paper

Second harmonic generation from centrosymmetric arrays of gold nanoparticles
Author(s): Matthew D. McMahon; Christopher T. Bowie; René Lopez; Leonard C. Feldman; Richard F. Haglund Jr.
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Paper Abstract

We present experimental results from second-harmonic generation studies of lithographically-prepared arrays of centrosymmetric gold nanorods, extending a previous treatment. The arrays serve as diffraction gratings, allowing control over the emission directions. The intrinsic radiation patterns from the nanoparticles are superimposed on the diffraction pattern, creating a unique angular distribution of second-harmonic light. The surface plasmon resonance mode of the particles is tuned to match the wavelength of the ultrafast Ti:sapphire excitation laser, dramatically enhancing the second-harmonic intensity but also increasing photodesorption effects. The details of the diffracted peak intensities depend sensitively on the geometry of the system and require a complex normalization of the data.

Paper Details

Date Published: 1 March 2006
PDF: 9 pages
Proc. SPIE 6106, Photon Processing in Microelectronics and Photonics V, 61061N (1 March 2006); doi: 10.1117/12.646974
Show Author Affiliations
Matthew D. McMahon, Vanderbilt Univ. (United States)
Christopher T. Bowie, Vanderbilt Univ. (United States)
René Lopez, Vanderbilt Univ. (United States)
Leonard C. Feldman, Vanderbilt Univ. (United States)
Richard F. Haglund Jr., Vanderbilt Univ. (United States)

Published in SPIE Proceedings Vol. 6106:
Photon Processing in Microelectronics and Photonics V
David B. Geohegan; Tatsuo Okada; Craig B. Arnold; Frank Träger; Jan J. Dubowski; Michel Meunier; Andrew S. Holmes, Editor(s)

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