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Utilization of photon orbital angular momentum in the low-frequency radio domain
Blekinge Institute of Technology, School of Engineering, Department of Mathematics and Science.
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2007 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 99, no 8Article in journal (Refereed) Published
Abstract [en]

We show numerically that vector antenna arrays can generate radio beams that exhibit spin and orbital angular momentum characteristics similar to those of helical Laguerre-Gauss laser beams in paraxial optics. For low frequencies (1 GHz), digital techniques can be used to coherently measure the instantaneous, local field vectors and to manipulate them in software. This enables new types of experiments that go beyond what is possible in optics. It allows information-rich radio astronomy and paves the way for novel wireless communication concepts.

Place, publisher, year, edition, pages
American Physical Society , 2007. Vol. 99, no 8
Keyword [en]
Lie group analysis, radio, photon orbital angular momentum
National Category
Mathematical Analysis Mathematics Telecommunications
URN: urn:nbn:se:bth-8988DOI: 10.1103/PhysRevLett.99.087701ISI: 000248984900052Local ID: diva2:836764
Available from: 2012-09-18 Created: 2007-08-21 Last updated: 2015-09-28Bibliographically approved

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Ibragimov, Nail H.Khamitova, Raisa
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