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Generation Of Free-Space Laguerre-Gaussian Modes At Millimetre-Wave Frequencies By Use Of A Spiral Phaseplate

Turnbull, G., Robertson, D., Smith, G., Allen, L., and Padgett, M. (1996) Generation Of Free-Space Laguerre-Gaussian Modes At Millimetre-Wave Frequencies By Use Of A Spiral Phaseplate. Optics Communications, 127 (39236). pp. 183-188. ISSN 0030-4018

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Abstract

A spiral phaseplate is used at millimetre-wave frequencies to transform a free-space, fundamental Hermite-Gaussian mode into a Laguerre-Gaussian mode with an azimuthal phase component. A ray optics analysis confirms that the Laguerre-Gaussian beam produced has a total angular momentum equivalent to lHBAR per photon.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Padgett, Prof Miles
Authors: Turnbull, G., Robertson, D., Smith, G., Allen, L., and Padgett, M.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Communications
Journal Abbr.:Opt. Commun.
ISSN:0030-4018

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