Referenced Items are not available for this document.
Recent discoveries concerning rotating (helical) phase fronts and orbital angular momentum (OAM) of laser beams are applied to radio frequencies and comprehensive simulations of a radio OAM system are performed. We find that with the use of vector field-sensing electric and magnetic triaxial antennas, it is possible to unambiguously estimate the OAM in radio beams by local measurements at a single point, assuming ideal (noiseless) conditions and that the beam axis is known. Furthermore, we show that conventional antenna pattern optimization methods can be applied to OAM-generating circular arrays to enhance their directivity.
Published in:
Antennas and Propagation, IEEE Transactions on
(Volume:58
,
Issue:
2
)
Date of Publication: Feb. 2010
- Page(s):
- 565 - 572
- ISSN :
- 0018-926X
- INSPEC Accession Number:
- 11137484
- Digital Object Identifier :
- 10.1109/TAP.2009.2037701
- Date of Publication :
- 04 December 2009
- Date of Current Version :
- 02 February 2010
- Issue Date :
- Feb. 2010
- Sponsored by :
- IEEE Antennas and Propagation Society
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