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Experimental verification of photon angular momentum and vorticity with radio techniques
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
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2011 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 99, no 20, 204102- p.Article in journal (Refereed) Published
Abstract [en]

The experimental evidence that radio techniques can be used for synthesizing and analyzing non-integer electromagnetic (EM) orbital angular momentum (OAM) of radiation is presented. The technique used amounts to sample, in space and time, the EM field vectors and digitally processing the data to calculate the vortex structure, the spatial phase distribution, and the OAM spectrum of the radiation. The experimental verification that OAM-carrying beams can be readily generated and exploited by using radio techniques paves the way to an entirely new paradigm of radar and radio communication protocols.

Place, publisher, year, edition, pages
2011. Vol. 99, no 20, 204102- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-166067DOI: 10.1063/1.3659466ISI: 000297786500072OAI: oai:DiVA.org:uu-166067DiVA: diva2:476930
Available from: 2012-01-12 Created: 2012-01-10 Last updated: 2012-01-12Bibliographically approved

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Thide, Bo
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Swedish Institute of Space Physics, Uppsala Division
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