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Proceedings Paper

Enhanced quadrupolar second-harmonic generation from rough gold films
Author(s): Fu Xiang Wang; Francisco J. Rodríguez; Willem M. Albers; Martti Kauranen
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Paper Abstract

The nonlinear optical response of gold films of different thicknesses is investigated by two-beam second-harmonic generation to address the role of surface and bulk effects in their second-order nonlinear optical response. Preliminary results suggest that both types of effects contribute to the measured second-harmonic signals. Furthermore, both effects are found to be enhanced for the thin film with a higher level of nanoscale surface roughness.

Paper Details

Date Published: 10 May 2010
PDF: 9 pages
Proc. SPIE 7712, Nanophotonics III, 77121E (10 May 2010); doi: 10.1117/12.853716
Show Author Affiliations
Fu Xiang Wang, Tampere Univ. of Technology (Finland)
Francisco J. Rodríguez, Tampere Univ. of Technology (Finland)
Willem M. Albers, VTT Microtechnology and Sensors (Finland)
Martti Kauranen, Tampere Univ. of Technology (Finland)

Published in SPIE Proceedings Vol. 7712:
Nanophotonics III
David L. Andrews; Jean-Michel Nunzi; Andreas Ostendorf, Editor(s)

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