Utilization of photon orbital angular momentum in the low-frequency radio domain
Astrophysics
2017-04-27 v3 Classical Physics
Abstract
We show numerically that vector antenna arrays can generate radio beams which 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 opens up for new types of experiments that go beyond those currently possible to perform in optics, for information-rich radio physics applications such as radio astronomy, and for novel wireless communication concepts.
Keywords
Cite
@article{arxiv.0705.1208,
title = {Utilization of photon orbital angular momentum in the low-frequency radio domain},
author = {B. Thidé and H. Then and J. Sjöholm and K. Palmer and J. Bergman and T. D. Carozzi and Ya. N. Istomin and N. H. Ibragimov and R. Khamitova},
journal= {arXiv preprint arXiv:0705.1208},
year = {2017}
}
Comments
4 pages, 5 figures. Changed title, identical to the paper published in PRL