Eur. Phys. J. Appl. Phys.
Volume 47, Number 1, July 2009
4th Colloquium Interdisciplinary in Instrumentation (C2I 2007)
|Number of page(s)||4|
|Published online||30 May 2009|
Full field imaging of isolated metallic nano objects
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
Corresponding author: firstname.lastname@example.org
Revised: 5 January 2009
Accepted: 7 January 2009
Published online: 30 May 2009
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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