NDLI: Dual-Polarized and Polarization-Flexible Reflective Cells With Dynamic Phase Control

Content Provider	IEEE Xplore Digital Library
Author	Perruisseau-Carrier, J.
Copyright Year	1963
Abstract	A reflecting cell allowing the dynamic and independent control of the reflection phase of two perpendicular linearly-polarized waves is presented. This capability is useful for the implementation of dual-polarized beam-reconfigurable reflectarrays, as well as for new reflector functionalities such as linear/circular polarization-flexibility and polarization-twisting with simultaneous phase control. The concept is demonstrated on a unit cell operating at 8 GHz, using surface-mounted diodes. In addition to its polarization capability, the cell implements a new concept to overcome the usual tradeoff between phase range and loss in monolayer reflective cells, using a combination of PIN and varactor diodes. For each linearly-polarized component, a dynamic phase range over 360° is achieved at 8 GHz under normal incidence, with 4 dB and 2 dB of maximum and average loss, respectively. The modeling of the cell in a general periodic environment, along with measurements in a waveguide simulator, show that similar performance is preserved within a 5% bandwidth and under TE and TM oblique incidences up to 45°. The cell size is only 0.42¿ at 8 GHz.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	1494
Ending Page	1502
Page Count	9
File Size	873411
File Format	PDF
ISSN	0018926X
Volume Number	58
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Polarization Phase control Optical reflection Reflector antennas Diodes Frequency Array signal processing Varactors Dynamic range Antenna measurements reflective cell Circular polarization dual-polarized antennas polarization flexibility polarization twisting reconfigurable antennas reflectarray
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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