Non-paraxial beam to push and pull microparticles

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2011

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We discuss a feasibility of the pulling (backward) force acting on a spherical microparticle in a non-paraxial Bessel beam. The effect can be explained by the strong interaction of particle's multipoles or by the conservation of momentum in the system “photons-particle.” It is remarkable that the puling force revealed does not require the beam focusing or high-index ambient medium. The necessary condition of arising of the backward force is the strong non-paraxiality of an electromagnetic beam. We expect this phenomenon will open new horizons in optical micromanipulation.
Original languageEnglish
TitleAIP Conference Proceedings : The Fourth International Workshop on Theoretical and Computational Nanophotonics
Volume1398
PublisherAmerican Institute of Physics
Publication date2011
Pages162-164
ISBN (print)978-0-7354-0968-2
DOIs
StatePublished

Conference

Conference4th International Workshop on Theoretical and Computational Nanophotonics
Number4
CountryGermany
CityBad Honnef
Period26/10/1128/10/11
NameUden navn
ISSN (Print)0094-243X
CitationsWeb of Science® Times Cited: 0
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