About: Extreme axial optical force in a standing wave achieved by optimized object shape

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Standing wave optical trapping offers many useful advantages in comparison to single beam trapping, especially for submicrometer size particles. It provides axial force stronger by several orders of magnitude, much higher axial trap stiffness, and spatial confinement of particles with higher refractive index. Mainly spherical particles are nowadays considered theoretically and trapped experimentally. In this paper we consider prolate objects of cylindrical symmetry with radius periodically modulated along the axial direction and we present a theoretical study of optimized objects shapes resulting in up to tenfold enhancement of the axial optical force in comparison with the original unmodulated object shape. We obtain analytical formulas for the axial optical force acting on low refractive index objects where the light scattering by the object is negligible. Numerical results based on the coupled dipole method are presented for objects with higher refractive indices. Standing wave optical trapping offers many useful advantages in comparison to single beam trapping, especially for submicrometer size particles. It provides axial force stronger by several orders of magnitude, much higher axial trap stiffness, and spatial confinement of particles with higher refractive index. Mainly spherical particles are nowadays considered theoretically and trapped experimentally. In this paper we consider prolate objects of cylindrical symmetry with radius periodically modulated along the axial direction and we present a theoretical study of optimized objects shapes resulting in up to tenfold enhancement of the axial optical force in comparison with the original unmodulated object shape. We obtain analytical formulas for the axial optical force acting on low refractive index objects where the light scattering by the object is negligible. Numerical results based on the coupled dipole method are presented for objects with higher refractive indices. (en)
Title	Extreme axial optical force in a standing wave achieved by optimized object shape Extreme axial optical force in a standing wave achieved by optimized object shape (en)
skos:prefLabel	Extreme axial optical force in a standing wave achieved by optimized object shape Extreme axial optical force in a standing wave achieved by optimized object shape (en)
skos:notation	RIV/68081731:_____/09:00333765!RIV10-MSM-68081731
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/09/0348), P(LC06007), P(OC08034), Z(AV0Z20650511)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Karásek, Vítězslav Zemánek, Pavel Trojek, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	314496
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/09:00333765
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fourier optics and signal processing; Spatial filtering; Laser beam shaping. (en)
http://linked.open.../riv/klicoveSlovo	Spatial filtering Fourier optics and signal processing Laser beam shaping.
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[F7A6795E8BA0]
http://linked.open...i/riv/nazevZdroje	Optics Express
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Centre of Modern Optics Self-organizing of sub-micrometer particles in laser beams Advanced techniques of interferometric optical micro-manipulations
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	17
http://linked.open...iv/tvurceVysledku	Karásek, Vítězslav Zemánek, Pavel Trojek, Jan
http://linked.open...ain/vavai/riv/wos	000267761100004
http://linked.open...n/vavai/riv/zamer	Research into experimental methods for examination of the physical properties of matter and their application in advanced technologies
issn	1094-4087
number of pages	17 (xsd:int)

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