Measurement of the rotational frequency shift imparted to a rotating light beam possessing orbital angular momentum

Courtial, J. , Dholakia, K., Robertson, D.A., Allen, L. and Padgett, M.J. (1998) Measurement of the rotational frequency shift imparted to a rotating light beam possessing orbital angular momentum. Physical Review Letters, 80(15), pp. 3217-3219. (doi: 10.1103/PhysRevLett.80.3217)

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Abstract

We observe the frequency shift, l Omega, imparted to a mm-wave beam with an orbital angular momentum of l (h) over bar per photon, when the beam,is rotated at angular frequency Omega. We show that this shift, and those found in a number of experiments on the rotation of circularly polarized beams, are special cases of the rotational frequency shift recently predicted by Bialynicki-Birula and Bialynicka-Birula. The measurement also explicitly confirms a theoretical prediction by Nienhuis.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Padgett, Professor Miles and Courtial, Dr Johannes and Allen, Prof Leslie
Authors: Courtial, J., Dholakia, K., Robertson, D.A., Allen, L., and Padgett, M.J.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review Letters
Journal Abbr.:Phys. Rev. Lett.
Publisher:American Physical Society
ISSN:0031-9007
ISSN (Online):1079-7114

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