Dynamics of airborne tweezing

D. R. Burnham, P. Reece, D. López Mago, J. C. Gutiérrez-Vega, D. McGloin

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution

Abstract

We present results describing the behavior of optically trapped airborne particles, both solid and liquid. Using back focal plane interferometry we measure characteristic power spectra describing the position fluctuations within the trap. We show it is easy to transfer between an over and under damped regime by either varying the trapping power or the distance into the medium the beam is focused. The results assist in the understanding of airborne tweezers and it is hoped having under damped systems could lead to exploring analogies in many areas of fundamental physics.

Original languageEnglish
Title of host publicationProceedings: Optical Trapping and Optical Micromanipulation V
PublisherSPIE
Volume7038
ISBN (Print)9780819472588
DOIs
Publication statusPublished - 2008
EventNanoScience + Engineering, 2008: Optical Trapping and Optical Micromanipulation V - San Diego, CA, United States
Duration: 10 Aug 200813 Aug 2008

Conference

ConferenceNanoScience + Engineering, 2008
Country/TerritoryUnited States
CitySan Diego, CA
Period10/08/0813/08/08

Keywords

  • Brownian motion
  • Optical tweezing
  • Power spectrum

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