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Far field interference measurements of vortex light fields in optical trapping

W. M. Lee*, A. E. Carruthers, V. Garcés-Chávez, K. Dholakia

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Paperpeer-review

Abstract

The interaction between light and particles in an optical trap provides a tool for physicists to study Brownian motion and dynamics for objects in the micron to nano-sized regime. In this paper, we describe how the forward scattering light field from micro-particles trapped in an optical vortex beam provides a means of studying the helicity and coherence of the trapping beam. Hence, optical trapping may be implemented to study of the relative phase and spatial coherence of two points in trapping light fields with arbitrary wavefronts.

Original languageEnglish
Title of host publicationComplex Light and Optical Forces
DOIs
Publication statusPublished - 9 Jan 2007
Externally publishedYes
EventComplex Light and Optical Forces - San Jose, CA, United States
Duration: 24 Jan 200725 Jan 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6483
ISSN (Print)0277-786X

Conference

ConferenceComplex Light and Optical Forces
Country/TerritoryUnited States
CitySan Jose, CA
Period24/01/0725/01/07

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