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Issue Eur. Phys. J. Appl. Phys.
Volume 47, Number 1, July 2009
4th Colloquium Interdisciplinary in Instrumentation (C2I)
Article Number 12704
Number of page(s) 4
Section 4th Colloquium Interdisciplinary in Instrumentation (C2I 2007)
DOI 10.1051/epjap/2009023
Published online 30 May 2009

Eur. Phys. J. Appl. Phys. 47, 12704 (2009)
DOI: 10.1051/epjap/2009023

Full field imaging of isolated metallic nano objects

E. Absil1, G. Tessier1, D. Fournier1, M. Gross2 and M. Atlan2

1  École Supérieure de Physique et Chimie Industrielles de la Ville de Paris, CNRS UPR 5, Université Pierre et Marie Curie Paris 6, 10 rue Vauquelin, 75231 Paris Cedex 05, France
2  École Normale Supérieure, CNRS UMR 8552, Université Pierre et Marie Curie-Paris 6, 24 rue Lhomond, 75231 Paris Cedex 05, France

gilles.tessier@espci.fr

Received: 30 May 2008 / Received in final form: 5 January 2009 / Accepted: 7 January 2009 / Published online: 30 May 2009

Abstract
Since the detection of nanoparticles is a major issue in nano sciences, we have developed two instruments for the fast imaging of individual nano objects. The first one is based on a spatial modulation of the sample using an incoherent dark field illumination and a multiplexed lock in detection. The second instrument uses digital heterodyne holography. Both instruments make it possible to achieve a high signal-to-noise ratio and therefore to detect very low signal.

PACS
78.67.Bf - Nanocrystals and nanoparticles.
78.90.+t - Other topics in optical properties, condensed matter spectroscopy and other interactions of particles and radiation with condensed matter.

© EDP Sciences 2009


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