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Statements

Subject Item
n2:RIV%2F68081731%3A_____%2F09%3A00333765%21RIV10-MSM-68081731
rdf:type
skos:Concept n15:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/68081731:_____/09:00333765!RIV10-MSM-68081731
n3:aktivita
n7:P n7:Z
n3:aktivity
P(GA202/09/0348), P(LC06007), P(OC08034), Z(AV0Z20650511)
n3:cisloPeriodika
13
n3:dodaniDat
n9:2010
n3:domaciTvurceVysledku
n13:1663771 n13:2038145 n13:5601266
n3:druhVysledku
n16:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
314496
n3:idVysledku
RIV/68081731:_____/09:00333765
n3:jazykVysledku
n11:eng
n3:klicovaSlova
Fourier optics and signal processing; Spatial filtering; Laser beam shaping.
n3:klicoveSlovo
n4:Spatial%20filtering n4:Laser%20beam%20shaping. n4:Fourier%20optics%20and%20signal%20processing
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[F7A6795E8BA0]
n3:nazevZdroje
Optics Express
n3:obor
n18:BH
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n8:OC08034 n8:GA202%2F09%2F0348 n8:LC06007
n3:rokUplatneniVysledku
n9:2009
n3:svazekPeriodika
17
n3:tvurceVysledku
Karásek, Vítězslav Zemánek, Pavel Trojek, Jan
n3:wos
000267761100004
n3:zamer
n12:AV0Z20650511
s:issn
1094-4087
s:numberOfPages
17