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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 626–629

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

Peter Schemmel, Stefania Maccalli, Giampaolo Pisano, Bruno Maffei, and Ming Wah Richard Ng  »View Author Affiliations


Optics Letters, Vol. 39, Issue 3, pp. 626-629 (2014)
http://dx.doi.org/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.

© 2014 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(120.5800) Instrumentation, measurement, and metrology : Scanners
(350.4010) Other areas of optics : Microwaves
(350.5030) Other areas of optics : Phase

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 4, 2013
Manuscript Accepted: December 13, 2013
Published: January 28, 2014

Citation
Peter Schemmel, Stefania Maccalli, Giampaolo Pisano, Bruno Maffei, and Ming Wah Richard Ng, "Three-dimensional measurements of a millimeter wave orbital angular momentum vortex," Opt. Lett. 39, 626-629 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-3-626


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