Transfer of orbital angular momentum to an optically trapped low-index particle

V. Garcés-Chávez, K. Volke-Sepulveda, S. Chávez-Cerda, W. Sibbett, K. Dholakia

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We demonstrate the transfer of orbital angular momentum from a light beam to a trapped low-index particle. The particle is trapped in a dark annular region of a high-order Bessel beam and rotates around the beam axis due to scattering from the helical wave fronts of the light beam. A general theoretical geometrical optics model is developed that, applied to our specific situation, corroborates tweezing and transfer of orbital angular momentum to the low-index particle. Good quantitative agreement between theory and experiment for particle rotation rates is observed. 5555 2002 The American Physical Society.

Original languageEnglish
Number of pages1
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume66
Issue number6
DOIs
Publication statusPublished - 2002 Jan 1

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angular momentum
light beams
orbitals
trapped particles
geometrical optics
wave fronts
scattering

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Garcés-Chávez, V. ; Volke-Sepulveda, K. ; Chávez-Cerda, S. ; Sibbett, W. ; Dholakia, K. / Transfer of orbital angular momentum to an optically trapped low-index particle. In: Physical Review A - Atomic, Molecular, and Optical Physics. 2002 ; Vol. 66, No. 6.
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Transfer of orbital angular momentum to an optically trapped low-index particle. / Garcés-Chávez, V.; Volke-Sepulveda, K.; Chávez-Cerda, S.; Sibbett, W.; Dholakia, K.

In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 66, No. 6, 01.01.2002.

Research output: Contribution to journalArticle

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T1 - Transfer of orbital angular momentum to an optically trapped low-index particle

AU - Garcés-Chávez, V.

AU - Volke-Sepulveda, K.

AU - Chávez-Cerda, S.

AU - Sibbett, W.

AU - Dholakia, K.

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AB - We demonstrate the transfer of orbital angular momentum from a light beam to a trapped low-index particle. The particle is trapped in a dark annular region of a high-order Bessel beam and rotates around the beam axis due to scattering from the helical wave fronts of the light beam. A general theoretical geometrical optics model is developed that, applied to our specific situation, corroborates tweezing and transfer of orbital angular momentum to the low-index particle. Good quantitative agreement between theory and experiment for particle rotation rates is observed. 5555 2002 The American Physical Society.

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