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Particle trapping a...
Particle trapping and beaming using a 3D nanotip excited with a plasmonic vortex
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Liu, Kai (författare)
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- Maccaferri, Nicolò, Dr. 1988- (författare)
- 2Department of Physics and Materials Science, University of Luxembourg, 162a, avenue de la Faïencerie, Luxembourg, Luxembourg
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Shen, Yuefeng (författare)
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Li, Xueyun (författare)
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Zaccaria, Remo Proietti (författare)
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Zhang, Xuejin (författare)
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Gorodetski, Yuri (författare)
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Garoli, Denis (författare)
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(creator_code:org_t)
- 2020-02-06
- 2020
- Engelska.
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Ingår i: Optics Letters. - : Optica Publishing Group. - 0146-9592 .- 1539-4794. ; 45:4, s. 823-826
- Relaterad länk:
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Recent advances in nanotechnology have prompted the need for tools to accurately and noninvasively manipulate individual nano-objects. Among the possible strategies, optical forces have been widely used to enable nano-optical tweezers capable of trapping or moving a specimen with unprecedented accuracy. Here, we propose an architecture consisting of a nanotip excited with a plasmonic vortex enabling effective dynamic control of nanoparticles in three dimensions. The structure illuminated by a beam with angular momentum can generate an optical field that can be used to manipulate single dielectric nanoparticles. We demonstrate that it is possible to stably trap or push the particle from specific points, thus enabling a new, to the best of our knowledge, platform for nanoparticle manipulation.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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