Abstract
We have measured azimuthal angle dependence of the optical second harmonic (SH) intensity from the self-organaized Au nanowire arrays prepared by shadow deposition on the NaCl(110) template at the SH photon energy of 2ω=2.33eV. The SH intensity pattern shows two lobes for the p-in/p-out and the s-in/p-out polarization configurations, and four lobes for the p-in/s-out polarization configuration. We suggest that the observed SH intensity patterns are characterized by the nonlinear susceptibility arising from a quasi- C2v symmetry of the Au nanowire arrays / NaCl(110) system.
© 2002 Optical Society of America
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