Photothermal heterodyne imaging of individual metallic nanoparticles: Theory versus experiment

Stéphane Berciaud; David Lasne; Gerhard A. Blab; Laurent Cognet; Brahim Lounis

doi:10.1103/PhysRevB.73.045424

Photothermal heterodyne imaging of individual metallic nanoparticles: Theory versus experiment

Stéphane Berciaud^*, David Lasne, Gerhard A. Blab, Laurent Cognet, Brahim Lounis

^*Corresponding author for this work

Université Bordeaux I

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

We present the theoretical and detailed experimental characterizations of photothermal heterodyne imaging. An analytical expression of the photothermal heterodyne signal is derived using the theory of light scattering from a fluctuating medium. The amplitudes of the signals detected in the backward and forward configurations are compared and their frequency dependences are studied. The application of the photothermal heterodyne detection technique to the absorption spectroscopy of individual gold nanoparticles is discussed and the detection of small individual silver nanoparticles is demonstrated.

Original language	English
Article number	045424
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	73
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevB.73.045424
Publication status	Published - 2006

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10.1103/PhysRevB.73.045424

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abstract = "We present the theoretical and detailed experimental characterizations of photothermal heterodyne imaging. An analytical expression of the photothermal heterodyne signal is derived using the theory of light scattering from a fluctuating medium. The amplitudes of the signals detected in the backward and forward configurations are compared and their frequency dependences are studied. The application of the photothermal heterodyne detection technique to the absorption spectroscopy of individual gold nanoparticles is discussed and the detection of small individual silver nanoparticles is demonstrated.",

author = "St{\'e}phane Berciaud and David Lasne and Blab, {Gerhard A.} and Laurent Cognet and Brahim Lounis",

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AU - Cognet, Laurent

AU - Lounis, Brahim

PY - 2006

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AB - We present the theoretical and detailed experimental characterizations of photothermal heterodyne imaging. An analytical expression of the photothermal heterodyne signal is derived using the theory of light scattering from a fluctuating medium. The amplitudes of the signals detected in the backward and forward configurations are compared and their frequency dependences are studied. The application of the photothermal heterodyne detection technique to the absorption spectroscopy of individual gold nanoparticles is discussed and the detection of small individual silver nanoparticles is demonstrated.

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JF - Physical Review B - Condensed Matter and Materials Physics

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Photothermal heterodyne imaging of individual metallic nanoparticles: Theory versus experiment

Abstract

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