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

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Abstract

Transfer of orbital angular momentum to a low-index particle trapped in optical tweezers, was demonstrated. The particle was constrained to the dark regions between adjacent bright rings of a high-order Bessel beam. Particle rotation rates were consistent with a computer model, which considered scattering as the dominant mechanism for transfer of orbital angular momentum. Quantitative comparison between theory and experiment showed good agreement for rotation rates.

Original languageEnglish
Article number063402
Pages (from-to)634021-634028
Number of pages8
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume66
Issue number6
Publication statusPublished - 2002 Dec

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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  • Cite this

    Garcés-Chávez, V., Volke-Sepulveda, K., Chávez-Cerda, S., Sibbett, W., & Dholakia, K. (2002). Transfer of orbital angular momentum to an optically trapped low-index particle. Physical Review A - Atomic, Molecular, and Optical Physics, 66(6), 634021-634028. [063402].