SENIUTINAS, Gediminas; ROSA, Lorenzo; GERVINSKAS, Gediminas; BRASSELET, Etienne; JUODKAZIS, Saulius

doi:10.3762/bjnano.4.62

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SENIUTINAS, Gediminas
Centre for Micro-Photonics
The Australian National Fabrication Facility [ANFF]

ROSA, Lorenzo
Centre for Micro-Photonics
The Australian National Fabrication Facility [ANFF]

GERVINSKAS, Gediminas
Centre for Micro-Photonics
The Australian National Fabrication Facility [ANFF]

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Beilstein Journal of Nanotechnology. 2013-09-17, vol. 4, p. 534-541

Karlsruhe Institute of Technology.

Résumé en anglais

The resputtering of gold films from nano-holes defined in a sacrificial PMMA mask, which was made by electron beam lithography, was carried out with a dry plasma etching tool in order to form well-like structures with a high aspect ratio (height/width ≈ 3-4) at the rims of the nano-holes. The extraordinary transmission through the patterns of such nano-wells was investigated experimentally and numerically. By doing numerical simulations of 50-nm and 100-nm diameter polystyrene beads in water and air, we show the potential of such patterns for self-induced back-action (SIBA) trapping. The best trapping conditions were found to be a trapping force of 2 pN/W/μm2 (numerical result) exerted on a 50-nm diameter bead in water. The simulations were based on the analytical Lorentz force model.,< Réduire

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optical tweezing

near field

extraordinary transmission

plasmonics

relative ion etching

self-induced back-action

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3D nano-structures for laser nano-manipulation

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