Optical trapping of metallic and core-shell particles in a 1D standing wave

Lukáš Chvátal; Martin Šiler; Pavel Zemánek

doi:10.1117/12.929726

10 October 2012 Optical trapping of metallic and core-shell particles in a 1D standing wave

Lukáš Chvátal, Martin Šiler, Pavel Zemánek

Proceedings Volume 8458, Optical Trapping and Optical Micromanipulation IX; 845839 (2012) https://doi.org/10.1117/12.929726
Event: SPIE NanoScience + Engineering, 2012, San Diego, California, United States

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.

Citation Download Citation

Lukáš Chvátal, Martin Šiler, and Pavel Zemánek "Optical trapping of metallic and core-shell particles in a 1D standing wave", Proc. SPIE 8458, Optical Trapping and Optical Micromanipulation IX, 845839 (10 October 2012); https://doi.org/10.1117/12.929726

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