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Three-dimensional measurements of a millimeter wave orbital angular momentum vortex

Schemmel, Peter, Maccalli, Stefania, Pisano, Giampaolo, Maffei, Bruno and Ng, Ming Wah Richard 2014. Three-dimensional measurements of a millimeter wave orbital angular momentum vortex. Optics Letters 39 (3) , pp. 626-629. 10.1364/OL.39.000626

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Abstract

Initial three-dimensional phase and intensity measurements of a 100 GHz l=±1 orbital angular momentum (OAM) vortex are presented. The vortex was generated by illuminating a polypropylene spiral phase plate. Measurements were taken with a three-dimensional field scanner operating in the W-band (75–100 GHz). Early analysis shows splitting of the OAM phase dislocation at the vortex center, resulting in a complex inner vortex intensity pattern

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: Optical Society of America
ISSN: 0146-9592
Last Modified: 18 Feb 2019 15:41
URI: http://orca.cf.ac.uk/id/eprint/60114

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