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Orbital Angular Momentum Generation and Detection by Geometric-Phase Based Metasurfaces

Chen, MLN; Jiang, LJ; Sha, WEI; (2018) Orbital Angular Momentum Generation and Detection by Geometric-Phase Based Metasurfaces. Applied Sciences , 8 (3) , Article 362. 10.3390/app8030362. Green open access

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Abstract

We present a comprehensive review on the geometric-phase based metasurfaces for orbital angular momentum (OAM) generation and detection. These metasurfaces manipulate the electromagnetic (EM) wave by introducing abrupt phase change, which is strongly dependent on the polarization state of incident EM wave and can be interpreted by geometric phase. Hence, the conventional bulk devices that based on the accumulated phase change along the optical path can be avoided.

Type: Article
Title: Orbital Angular Momentum Generation and Detection by Geometric-Phase Based Metasurfaces
Open access status: An open access version is available from UCL Discovery
DOI: 10.3390/app8030362
Publisher version: https://doi.org/10.3390/app8030362
Language: English
Additional information: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0) (https://creativecommons.org/licenses/by/4.0/).
Keywords: metasurfaces; geometric phase; orbital angular momentum (OAM)
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10053366
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