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

Schemmel, Peter, Maccalli, Stefania, Pisano, Giampaolo ORCID: https://orcid.org/0000-0003-4302-5681, 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
Date of Acceptance:	13 December 2013
Last Modified:	25 Oct 2022 09:48
URI:	https://orca.cardiff.ac.uk/id/eprint/60114

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