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Turnbull, GA, Robertson, DA, Smith, GM, Allen, L, and Padgett, MJ (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): | Padgett, Prof Miles |
| Authors: | Turnbull, GA, Robertson, DA, Smith, GM, Allen, L, and Padgett, MJ |
| 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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