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Proceedings Paper

Measurement of radiation forces generated by plasmon fields
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Paper Abstract

We report quantitative measurements of the radiation forces exerted on a micrometer dielectric sphere by a Surface Plasmon Polariton (SPP) excited at a gold/water interface. We separate the contributions of the two constituents of the plasmon wave - the electromagnetic field and the charge-density oscillations - to the total radiation force. Measurements performed with a Photonic Force Microscope (PFM) show an enhanced attraction to the surface compared to a conventional evanescent wave at the dielectric interface (102 enhancement factor).

Paper Details

Date Published: 26 August 2005
PDF: 10 pages
Proc. SPIE 5930, Optical Trapping and Optical Micromanipulation II, 59301D (26 August 2005); doi: 10.1117/12.614328
Show Author Affiliations
Giovanni Volpe, Institut de Ciencies Fotoniques (Spain)
Romain Quidant, Institut de Ciencies Fotoniques (Spain)
Dmitri V. Petrov, Institut de Ciencies Fotoniques (Spain)
Institucio Catalana de Recerca i Estudis Avancat (Spain)
Goncal Badenes, Institut de Ciencies Fotoniques (Spain)


Published in SPIE Proceedings Vol. 5930:
Optical Trapping and Optical Micromanipulation II
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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