Publication

Reversal of the optical force in a plasmonic trap

Olivier Martin
2008
Journal Articles

Abstract

We study in detail the. optical forces generated by a plasmonic trap on a plasmonic nanoparticle. The permittivity of the trapped particle is tuned using a Drude model. The interplay between the plasmon resonances of the trap and of the particle can produce different regimes leading to attractive or repulsive forces. Hence a particle will be trapped or repulsed depending on its permittivity. Such a physical system should provide new functionalities for lab-on-the-chip applications. (C) 2008 Optical Society of America

Official source

https://infoscience.epfl.ch/entities/publication/f8616dd3-f088-47f1-9208-40a4b5c1e8c8

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Reversal of the optical force in a plasmonic trap

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