Influence of weak reflections from dielectric interfaces on properties of optical trap.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F02%3A12030013" target="_blank" >RIV/68081731:_____/02:12030013 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Influence of weak reflections from dielectric interfaces on properties of optical trap.
Original language description
It is studied theoretically and experimentally how a wave reflected from the surface influences the distance of the trapped sphere from the beam waist. The reflected wave interferes with the incident one and they create a standing wave component in the final axial intensity distribution. This component modulates the trapping potential and creates several equilibrium positions for the trapped sphere. When the beam waist approaches the surface, the potential profiles changes and causes jumps of the trapped objects to a deeper potential well. We proved that these unwanted jumps of the trapped objects between the neighboring equilibrium positions can be eliminat ed by proper size of the sphere.
Czech name
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Czech description
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Project
<a href="/en/project/GA101%2F00%2F0974" target="_blank" >GA101/00/0974: Local probe microscopy with an optically trapped probe</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2002
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of SPIE - The International society for optical engineering. Photonic, devices, and systems II.
ISBN
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ISSN
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e-ISSN
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Number of pages
9
Pages from-to
624-629
Publisher name
SPIE
Place of publication
Prague
Event location
Praha [CZ]
Event date
May 26, 2002
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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