Behaviour of a non-spherical metal nanoparticle in an optical trap

Oto Brzobohatý; Martin Šiler; Lukáš Chvátal; Vítězslav Karásek; Pavel Zemánek

doi:10.1117/12.2176013

5 December 2014 Behaviour of a non-spherical metal nanoparticle in an optical trap

Oto Brzobohatý, Martin Šiler, Lukáš Chvátal, Vítězslav Karásek, Pavel Zemánek

Proceedings Volume 9441, 19th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 944102 (2014) https://doi.org/10.1117/12.2176013
Event: XIX Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2014, Jelenia Gora, Poland

Abstract

Even though a nanoparticle is much smaller than the wavelength used for their spatial confinement in an optical trap, the nanoparticle shape strongly influences force interaction between the light and the nanoparticle. The nanoparticle orientation with respect to the beam propagation and polarization strongly influences the light scattering pattern and thus the acting optical forces and torques upon the nanoparticle. We demonstrate experimental and theoretical results concerning the optical trapping of metal nanoparticles and the influence of the trapping wavelength on shaped plasmonic nanoparticles.

Citation Download Citation

Oto Brzobohatý, Martin Šiler, Lukáš Chvátal, Vítězslav Karásek, and Pavel Zemánek "Behaviour of a non-spherical metal nanoparticle in an optical trap", Proc. SPIE 9441, 19th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 944102 (5 December 2014); https://doi.org/10.1117/12.2176013

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