tweezercalib 2.0: Faster version of MatLab package for precise calibration of optical tweezers

Poul Martin Hansen, Iva Marija Tolic-Nørrelykke, Henrik Flyvbjerg, Kirstine Berg-Sørensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We present a vectorized version of the MatLab (MathWorks Inc) package tweezercalib for calibration of optical tweezers with precision. The calibration is based on the power spectrum of the Brownian motion of a dielectric bead trapped in the tweezers. Precision is achieved by accounting for a number of factors that affect this power spectrum, as described in vs. 1 of the package. The graphical user interface allows the user to include of leave out each of these factors. Several "health tests" are applied to the experimental data during calibration and test results are displayed graphically. Thus, the user can easily see whether the data comply with the theory used for their interpretation. Final calibration results are given with statistical errors and covariance matrix
Original languageEnglish
JournalComputer Physics Communications
Volume174
Issue number6
Pages (from-to)518-520
ISSN0010-4655
DOIs
Publication statusPublished - 2006

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