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Proceedings Paper

Optical trapping of metallic and core-shell particles in a 1D standing wave
Author(s): Lukáš Chvátal; Martin Šiler; Pavel Zemánek
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Paper Abstract

In this contribution we focus on optical forces acting upon a metallic particle or a core-shell particle confined in a standing-wave. The considered spheres are composed either by a gold or silver or the consists of of two layers, one of them is metallic (Au, Ag). We present the results of a computational study where we modify the geometrical parameters of the particles and the wavelength of the trapping beams. Except the optical forces we also deal with heating of the particles. This study may suggest optimal particle composition that may be utilized as an optically trapped probe for Surface enhanced Raman spectroscopy of biomolecules.

Paper Details

Date Published: 10 October 2012
PDF: 8 pages
Proc. SPIE 8458, Optical Trapping and Optical Micromanipulation IX, 845839 (10 October 2012); doi: 10.1117/12.929726
Show Author Affiliations
Lukáš Chvátal, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
Martin Šiler, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)
Pavel Zemánek, Institute of Scientific Instruments of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 8458:
Optical Trapping and Optical Micromanipulation IX
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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