About: Optimization of an object shape to achieve extremal axial optical force in a standing wave

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	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 support the previous simplified analytical conclusions and they are also presented for objects with higher refractive indices. The objects are trapped in a standing wave, that 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. 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 support the previous simplified analytical conclusions and they are also presented for objects with higher refractive indices. The objects are trapped in a standing wave, that 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. (en)
Title	Optimization of an object shape to achieve extremal axial optical force in a standing wave Optimization of an object shape to achieve extremal axial optical force in a standing wave (en)
skos:prefLabel	Optimization of an object shape to achieve extremal axial optical force in a standing wave Optimization of an object shape to achieve extremal axial optical force in a standing wave (en)
skos:notation	RIV/68081731:_____/09:00335079!RIV10-MSM-68081731
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC06007), P(OC08034), Z(AV0Z20650511)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Karásek, Vítězslav Zemánek, Pavel Trojek, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	332000
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/09:00335079
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	optical force; nonspherical objects; analytical calculations; numerical computations; coupled dipole method (en)
http://linked.open.../riv/klicoveSlovo	nonspherical objects optical force coupled dipole method analytical calculations numerical computations
http://linked.open...ontrolniKodProRIV	[7A69A0D168FE]
http://linked.open...v/mistoKonaniAkce	San Diego
http://linked.open...i/riv/mistoVydani	Bellingham
http://linked.open...i/riv/nazevZdroje	Optical Trapping and Optical Micromanipulation VI. (Proceedings of SPIE Vol. 7400)
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 Advanced techniques of interferometric optical micro-manipulations
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Karásek, Vítězslav Zemánek, Pavel Trojek, Jan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2009-08-02 (xsd:date)
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
number of pages	11 (xsd:int)
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	978-0-8194-7690-6

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