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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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters Vol. 15; pp. 1156 - 1158
Main Authors: Chen, Yiling, Zheng, Shilie, Li, Yue, Hui, Xiaonan, Jin, Xiaofeng, Chi, Hao, Zhang, Xianmin
Format: Journal Article
Language:English
Published: New York IEEE 2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
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
Online Access:Get full text
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Summary: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.
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ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2015.2497243