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Nano Lett. 2009 Dec;9(12):4093-7. doi: 10.1021/nl902305w.

Background-free third harmonic imaging of gold nanorods.

Author information

1
Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot 76100, Israel.

Abstract

Surface plasmon resonance exhibited by noble metal nanoparticles makes them attractive agents for advanced microscopic imaging applications. In this work we study third harmonic generation in gold nanorods under conditions of resonance of the laser frequency with the longitudinal plasmon mode. Large resonant enhancement and the symmetry properties of third harmonic generation allow for background-free, orientation sensitive optical imaging of individual nanoparticles.

PMID:
19827810
DOI:
10.1021/nl902305w
[Indexed for MEDLINE]

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