Orbital angular momentum transfer in helical Mathieu beams

Carlos López-Mariscal, Julio C. Gutiérrez-Vega, Graham Milne, Kishan Dholakia

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We observe the transfer of orbital angular momentum to trapped particles in the azimuthally asymmetric transverse intensity distribution of a helical Mathieu beam. The average rotation rate, instantaneous angular displacement and terminal velocity of the trapped particles are measured experimentally. The angular dependence of these parameters is found to be in good agreement with the variation of the optical gradient force, the transfer of OAM from the wavefield and the Stokes drag force.

Original languageEnglish
Pages (from-to)4183-4188
Number of pages6
JournalOptics Express
Volume14
Issue number9
DOIs
Publication statusPublished - 2006 Jan 1

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trapped particles
momentum transfer
angular momentum
terminal velocity
orbitals
drag
gradients

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

López-Mariscal, C., Gutiérrez-Vega, J. C., Milne, G., & Dholakia, K. (2006). Orbital angular momentum transfer in helical Mathieu beams. Optics Express, 14(9), 4183-4188. https://doi.org/10.1364/OE.14.004183
López-Mariscal, Carlos ; Gutiérrez-Vega, Julio C. ; Milne, Graham ; Dholakia, Kishan. / Orbital angular momentum transfer in helical Mathieu beams. In: Optics Express. 2006 ; Vol. 14, No. 9. pp. 4183-4188.
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López-Mariscal, C, Gutiérrez-Vega, JC, Milne, G & Dholakia, K 2006, 'Orbital angular momentum transfer in helical Mathieu beams', Optics Express, vol. 14, no. 9, pp. 4183-4188. https://doi.org/10.1364/OE.14.004183

Orbital angular momentum transfer in helical Mathieu beams. / López-Mariscal, Carlos; Gutiérrez-Vega, Julio C.; Milne, Graham; Dholakia, Kishan.

In: Optics Express, Vol. 14, No. 9, 01.01.2006, p. 4183-4188.

Research output: Contribution to journalArticle

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López-Mariscal C, Gutiérrez-Vega JC, Milne G, Dholakia K. Orbital angular momentum transfer in helical Mathieu beams. Optics Express. 2006 Jan 1;14(9):4183-4188. https://doi.org/10.1364/OE.14.004183