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Design and calibration of optical tweezers using the power spectrum method
Umeå University, Faculty of Science and Technology, Department of Physics.
2015 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The aim of this experiment was to calibrate the optical tweezers by using the power spectrum method. We constructed an optical tweezers which was steerable in the x and y directions. The experimental setup contained three parts mainly: particle trapping, illumination and data processing. The system could manipulate and observe the particle. Our results showed that the trap stiffnesses are both 0.507pN/μm in x and y axis for 1 μm bead.

Place, publisher, year, edition, pages
2015.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:umu:diva-117080OAI: oai:DiVA.org:umu-117080DiVA: diva2:904799
Subject / course
Fysik C - Examensarbete
Available from: 2016-02-19 Created: 2016-02-19 Last updated: 2016-02-19Bibliographically approved

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