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Nano Lett. 2010 May 12;10(5):1717-21. doi: 10.1021/nl1000949.

Optical second harmonic generation of single metallic nanoparticles embedded in a homogeneous medium.

Author information

1
Laboratoire de Spectrométrie Ionique et Moléculaire, Université Claude Bernard Lyon 1 - CNRS, UMR 5579, 43 Boulevard du 11 Novembre 1918, Villleurbanne, France.

Abstract

We report the optical second harmonic generation from individual 150 nm diameter gold nanoparticles dispersed in gelatin. The quadratic hyperpolarizability of the particles is determined and the input polarization dependence of the second harmonic intensity obtained. These results are found in excellent agreement with ensemble measurements and finite element simulations. These results open up new perspectives for the investigation of the nonlinear optical properties of noble metal nanoparticles.

PMID:
20420409
DOI:
10.1021/nl1000949
[Indexed for MEDLINE]

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