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Terahertz circular Airy vortex beams
Vortex beams have received considerable research interests both in optical and millimeter-wave domain since its potential to be utilized in the wireless communications and novel imaging systems. Many well-known optical beams have been demonstrated to carry orbital angular momentum (OAM), such as Lag...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5478637/ https://www.ncbi.nlm.nih.gov/pubmed/28634341 http://dx.doi.org/10.1038/s41598-017-04373-6 |
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author | Liu, Changming Liu, Jinsong Niu, Liting Wei, Xuli Wang, Kejia Yang, Zhengang |
author_facet | Liu, Changming Liu, Jinsong Niu, Liting Wei, Xuli Wang, Kejia Yang, Zhengang |
author_sort | Liu, Changming |
collection | PubMed |
description | Vortex beams have received considerable research interests both in optical and millimeter-wave domain since its potential to be utilized in the wireless communications and novel imaging systems. Many well-known optical beams have been demonstrated to carry orbital angular momentum (OAM), such as Laguerre-Gaussian beams and high-order Bessel beams. Recently, the radially symmetric Airy beams that exhibit an abruptly autofocusing feature are also demonstrated to be capable of carrying OAM in the optical domain. However, due to the lack of efficient devices to manipulate terahertz (THz) beams, it could be a challenge to demonstrate the radially symmetric Airy beams in the THz domain. Here we demonstrate the THz circular Airy vortex beams (CAVBs) with a 0.3-THz continuous wave through 3D printing technology. Assisted by the rapidly 3D-printed phase plates, individual OAM states with topological charge l ranging from l = 0 to l = 3 and a multiplexed OAM state are successfully imposed into the radially symmetric Airy beams. We both numerically and experimentally investigate the propagation dynamics of the generated THz CAVBs, and the simulations agree well with the observations. |
format | Online Article Text |
id | pubmed-5478637 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-54786372017-06-23 Terahertz circular Airy vortex beams Liu, Changming Liu, Jinsong Niu, Liting Wei, Xuli Wang, Kejia Yang, Zhengang Sci Rep Article Vortex beams have received considerable research interests both in optical and millimeter-wave domain since its potential to be utilized in the wireless communications and novel imaging systems. Many well-known optical beams have been demonstrated to carry orbital angular momentum (OAM), such as Laguerre-Gaussian beams and high-order Bessel beams. Recently, the radially symmetric Airy beams that exhibit an abruptly autofocusing feature are also demonstrated to be capable of carrying OAM in the optical domain. However, due to the lack of efficient devices to manipulate terahertz (THz) beams, it could be a challenge to demonstrate the radially symmetric Airy beams in the THz domain. Here we demonstrate the THz circular Airy vortex beams (CAVBs) with a 0.3-THz continuous wave through 3D printing technology. Assisted by the rapidly 3D-printed phase plates, individual OAM states with topological charge l ranging from l = 0 to l = 3 and a multiplexed OAM state are successfully imposed into the radially symmetric Airy beams. We both numerically and experimentally investigate the propagation dynamics of the generated THz CAVBs, and the simulations agree well with the observations. Nature Publishing Group UK 2017-06-20 /pmc/articles/PMC5478637/ /pubmed/28634341 http://dx.doi.org/10.1038/s41598-017-04373-6 Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Liu, Changming Liu, Jinsong Niu, Liting Wei, Xuli Wang, Kejia Yang, Zhengang Terahertz circular Airy vortex beams |
title | Terahertz circular Airy vortex beams |
title_full | Terahertz circular Airy vortex beams |
title_fullStr | Terahertz circular Airy vortex beams |
title_full_unstemmed | Terahertz circular Airy vortex beams |
title_short | Terahertz circular Airy vortex beams |
title_sort | terahertz circular airy vortex beams |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5478637/ https://www.ncbi.nlm.nih.gov/pubmed/28634341 http://dx.doi.org/10.1038/s41598-017-04373-6 |
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