Gaussian beams with very high orbital angular momentum

Courtial, J. , Dholakia, K., Allen, L. and Padgett, M.J. (1997) Gaussian beams with very high orbital angular momentum. Optics Communications, 144(39236), pp. 210-213. (doi: 10.1016/S0030-4018(97)00376-3)

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An elliptical Gaussian beam focussed by a cylindrical lens can possess large amounts of orbital angular momentum, We give an expression for the angular momentum, which arises from the azimuthal component of the Poynting vector, and show that it can be as high as 10 000 (h) over bar per photon. We examine the phase distribution of the beams in an interference experiment.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Padgett, Professor Miles and Courtial, Dr Johannes and Allen, Prof Leslie
Authors: Courtial, J., Dholakia, K., Allen, L., and Padgett, M.J.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Communications
Publisher:Elsevier Science B.V.
ISSN (Online):1873-0310
Published Online:05 August 2003

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