Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes
Recently, much attention has been focused on beams carrying orbital angular momentum (OAM) for radio communication. Here we experimentally demonstrate a planar-spiral phase plate (planar-SPP) for generating arbitrary mixed OAM beams. This proposed planar-SPP uses the concept of transmit array antenn...
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| Format: | Online |
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Nature Publishing Group
2014
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4001093/ |
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pubmed-40010932014-04-28 Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes Cheng, Li Hong, Wei Hao, Zhang-Cheng Article Recently, much attention has been focused on beams carrying orbital angular momentum (OAM) for radio communication. Here we experimentally demonstrate a planar-spiral phase plate (planar-SPP) for generating arbitrary mixed OAM beams. This proposed planar-SPP uses the concept of transmit array antenna having a perforated substrate to control the outputting phase for generating beams carrying OAM with arbitrary modes. As demonstrations, three planar-SPPs with a single OAM mode and two mixed OAM modes around 94 GHz have been investigated with design and experiments in this paper, respectively. The typical experimental intensity and phase patterns show that the proposed method of generating OAM beams really works. Nature Publishing Group 2014-04-28 /pmc/articles/PMC4001093/ /pubmed/24770669 http://dx.doi.org/10.1038/srep04814 Text en Copyright © 2014, Macmillan Publishers Limited. All rights reserved http://creativecommons.org/licenses/by-nc-nd/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. The images in this article are included in the article's Creative Commons license, unless indicated otherwise in the image credit; if the image is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the image. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/ |
| repository_type |
Open Access Journal |
| institution_category |
Foreign Institution |
| institution |
US National Center for Biotechnology Information |
| building |
NCBI PubMed |
| collection |
Online Access |
| language |
English |
| format |
Online |
| author |
Cheng, Li Hong, Wei Hao, Zhang-Cheng |
| spellingShingle |
Cheng, Li Hong, Wei Hao, Zhang-Cheng Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes |
| author_facet |
Cheng, Li Hong, Wei Hao, Zhang-Cheng |
| author_sort |
Cheng, Li |
| title |
Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes |
| title_short |
Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes |
| title_full |
Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes |
| title_fullStr |
Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes |
| title_full_unstemmed |
Generation of Electromagnetic Waves with Arbitrary Orbital Angular Momentum Modes |
| title_sort |
generation of electromagnetic waves with arbitrary orbital angular momentum modes |
| description |
Recently, much attention has been focused on beams carrying orbital angular momentum (OAM) for radio communication. Here we experimentally demonstrate a planar-spiral phase plate (planar-SPP) for generating arbitrary mixed OAM beams. This proposed planar-SPP uses the concept of transmit array antenna having a perforated substrate to control the outputting phase for generating beams carrying OAM with arbitrary modes. As demonstrations, three planar-SPPs with a single OAM mode and two mixed OAM modes around 94 GHz have been investigated with design and experiments in this paper, respectively. The typical experimental intensity and phase patterns show that the proposed method of generating OAM beams really works. |
| publisher |
Nature Publishing Group |
| publishDate |
2014 |
| url |
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4001093/ |
| _version_ |
1612082895974825984 |