A Flat-Lensed Spiral Phase Plate Based on Phase-Shifting Surface for Generation of Millimeter-Wave OAM Beam

A multilayer phase-shifting-surface-based flat plate is designed to offer a combination of lens and spiral phase plate (SPP) for orbital angular momentum (OAM) beam generation and convergence at 60 GHz. The proposed design consists of a series of phase-shift unit cells to control the emergent phase...

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Vydáno v:IEEE antennas and wireless propagation letters Ročník 15; s. 1156 - 1158
Hlavní autoři: Chen, Yiling, Zheng, Shilie, Li, Yue, Hui, Xiaonan, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Antenna measurements
Arrays
Flat lens
Lenses
Multiplexing
Optical surface waves
orbital angular momentum
phase-shifting surface
spiral phase plate
Spirals
Yttrium
ISSN:1536-1225, 1548-5757
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Shrnutí:A multilayer phase-shifting-surface-based flat plate is designed to offer a combination of lens and spiral phase plate (SPP) for orbital angular momentum (OAM) beam generation and convergence at 60 GHz. The proposed design consists of a series of phase-shift unit cells to control the emergent phase and form a flat lens for the purpose of beam focusing. The results of simulation and experiment verify that the OAM beam with small divergence angle can be achieved.
Bibliografie:ObjectType-Article-1
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ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2015.2497243