Photothermal heterodyne imaging of individual metallic nanoparticles: Theory versus experiment

被引：213

作者：

Berciaud, S

Lasne, D

Blab, GA

Cognet, L

Lounis, B

机构：

[1] CNRS, UMR 5798, Ctr Phys Mol Opt & Hertzienne, F-33405 Talence, France

[2] Univ Bordeaux 1, F-33405 Talence, France

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.73.045424

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页数：8

共 33 条

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