Optical detection and spectroscopy of single metal nanoparticles

S. Berciaud; D. Lasne; G. A. Blab; Ph. Tamarat; L. Cognet; B. Lounis

doi:10.1117/12.621174

26 August 2005 Optical detection and spectroscopy of single metal nanoparticles

S. Berciaud, D. Lasne, G. A. Blab, Ph. Tamarat, L. Cognet, B. Lounis

Proceedings Volume 5927, Plasmonics: Metallic Nanostructures and Their Optical Properties III; 59271B (2005) https://doi.org/10.1117/12.621174
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Photothermal Heterodyne Imaging (PHI) is a highly sensitive optical detection method of individual absorptive nano-objects. It can be applied to absorption spectroscopy measurements Surface Plasmon Resonance spectra of individual gold nanoparticules with diameters down to 5nm were recorded. Intrinsic size effects which result in a broadening of the Resonance are unambiguously observed and analyzed within the frame of Mie theory. Preliminary results obtained with silver nanoparticles are also presented.

Citation Download Citation

S. Berciaud, D. Lasne, G. A. Blab, Ph. Tamarat, L. Cognet, and B. Lounis "Optical detection and spectroscopy of single metal nanoparticles", Proc. SPIE 5927, Plasmonics: Metallic Nanostructures and Their Optical Properties III, 59271B (26 August 2005); https://doi.org/10.1117/12.621174

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