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Optical interference fields: an excellent tool kit to study Brownian dynamics
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SYSNO ASEP 0051337 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Optical interference fields: an excellent tool kit to study Brownian dynamics Title Optická interferenční pole: vynikající nástroj ke studiu Brownovské dynamiky Author(s) Zemánek, Pavel (UPT-D) RID, SAI, ORCID
Čižmár, Tomáš (UPT-D) RID, ORCID, SAI
Šiler, Martin (UPT-D) RID, ORCID, SAISource Title Proceedings of SPIE (Vol. 6326) Optical Trapping and Optical Micromanipulation III. - Bellingham : SPIE, 2006 - ISSN 0277-786X - ISBN 0-8194-6405-8 Pages 632604:1-15 Number of pages 15 s. Action Optical Trapping and Optical Micromanipulation III Event date 13.08.2006-17.08.2006 VEvent location San Diego Country US - United States Event type WRD Language eng - English Country US - United States Keywords random motion ; optical force ; colloidal particle ; interference optical trap ; optical conveyor belt Subject RIV BH - Optics, Masers, Lasers R&D Projects FT-TA2/059 GA MPO - Ministry of Industry and Trade (MPO) LC06007 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) IAA1065203 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20650511 - UPT-D (2005-2011) Annotation Optical interference of two waves with different wave vectors generates a harmonic spatial profile of the optical intensity. This well known property combined with mechanical effect of light provides an excellent possibility to study the behavior of stochastic system in periodic potentials. Sub-micron size objects dispersed in liquid suffer from noticeable Brownian motion. This free motion can be significantly influenced (directed, suppress, modified) if the objects are illuminated by an optical interference pattern of sufficient intensity. Therefore, the Brownian dynamics in static periodic potentials of variable depth of the potential profile or extra tilt of the potential landscape can be studied. Moreover, applying the principle of optical conveyor combined with a precise method of object tracking with respect to the interference pattern paves the way for similar studies but in motional potential landscapes. Workplace Institute of Scientific Instruments Contact Martina Šillerová, sillerova@ISIBrno.Cz, Tel.: 541 514 178 Year of Publishing 2007
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