Observation of the Transfer of the Local Angular Momentum Density of a Multiringed Light Beam to an Optically Trapped Particle

V. Garcés-Chávez, D. McGloin, M. J. Padgett, W. Dultz, H. Schmitzer, K. Dholakia

Research output: Contribution to journalArticle

239 Citations (Scopus)

Abstract

We observe the spinning and orbital motion of a microscopic particle trapped within a multiringed light beam that arises from the transfer of the spin and orbital components of the light’s angular momentum. The two rotation rates are measured as a function of the distance between the particle and the axis of the trapping beam. The radial dependence of these observations is found to be in close agreement with the accepted theory.

Original languageEnglish
JournalPhysical review letters
Volume91
Issue number9
DOIs
Publication statusPublished - 2003 Aug 29

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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