About: How the stiffness of the optical trap depends on the proximity of the dielectric interface

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	When a probe confined in a single focused laser beam approaches the surface, it is getting more influenced by the retroreflected beam. This beam interferes with the incident one and a weak standing wave (SW) is created, which slightly modulates the incident beam. We studied experimentally how this phenomena influences the optical trap properties if SW is created using surfaces of two different reflectivities. We used polystyrene probes of diameters 690 nm and 820 nm, tracked their positions with quadrant photodiode (QPD) and analysed their thermal motion to get the axial trap stiffness along optical axis. When a probe confined in a single focused laser beam approaches the surface, it is getting more influenced by the retroreflected beam. This beam interferes with the incident one and a weak standing wave (SW) is created, which slightly modulates the incident beam. We studied experimentally how this phenomena influences the optical trap properties if SW is created using surfaces of two different reflectivities. We used polystyrene probes of diameters 690 nm and 820 nm, tracked their positions with quadrant photodiode (QPD) and analysed their thermal motion to get the axial trap stiffness along optical axis. (en) Částice vázaná ve fokusovaném laserovém svazku je v blízkosti povrchu ovlivněná odraženým svazkem. Tento svazek interferuje s dopadajícím a vytváří slabou stojatou vlnu, která slabě moduluje dopadající svazek. Experimentálně jsme studovali jak tento jev ovlivňuje vlastnosti optické pasti při vytvoření stojaté vlny povrchy se dvěma různými odrazivostmi. Použili jsme polystyrenové kuličky o průměru 690 nm a 820 nm. Jejich polohu jsme sledovali použitím kvadrantního detektoru a analýzou jejich Brownova pohybu jsme získali tuhost pasti podél optické osy. (cs)
Title	How the stiffness of the optical trap depends on the proximity of the dielectric interface Souvislost tuhosti optické pasti s blízkostí dielektrického rozhraní (cs) How the stiffness of the optical trap depends on the proximity of the dielectric interface (en)
skos:prefLabel	How the stiffness of the optical trap depends on the proximity of the dielectric interface Souvislost tuhosti optické pasti s blízkostí dielektrického rozhraní (cs) How the stiffness of the optical trap depends on the proximity of the dielectric interface (en)
skos:notation	RIV/68081731:_____/05:00022542!RIV06-AV0-68081731
http://linked.open.../vavai/riv/strany	645;652
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(IAA1065203)
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Zemánek, Pavel Šerý, Mojmír Jákl, Petr
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	523793
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/05:00022542
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	optical tweezers; single particle tracking; Brownian motion; optical trap stiffness (en)
http://linked.open.../riv/klicoveSlovo	single particle tracking Brownian motion optical tweezers optical trap stiffness
http://linked.open...ontrolniKodProRIV	[93C81678E509]
http://linked.open...v/mistoKonaniAkce	Warsaw
http://linked.open...i/riv/mistoVydani	Bellingham
http://linked.open...i/riv/nazevZdroje	Lasers and Applications (Proceedings of SPIE Vol. 5958)
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	The use of combination of laser microbeam and cytometric techniques in the study of the structure and dynamics of human genome
http://linked.open...UplatneniVysledku	2005
http://linked.open...iv/tvurceVysledku	Liška, M. Zemánek, Pavel Jákl, Petr Šerý, Mojmír
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2005-08-28 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	0-8194-5965-8

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