Design and Characterization of a CPSS-Based Unit-Cell for Circularly Polarized Reflectarray Applications

Author

Mener, Simon ; Gillard, Raphael ; Sauleau, Ronan ; Cheymol, Cecile ; Potier, Patrick

Author_Institution

Inst. of Electron. & Telecommun. of Rennes, Eur. Univ. of Brittany, Rennes, France

Volume

61

Issue

4

fYear

2013

fDate

4/1/2013 12:00:00 AM

Firstpage

2313

Lastpage

2318

Abstract

A CPSS-based unit-cell is proposed as a building block of future reconfigurable dual-CP reflectarrays illuminated by a dual CP primary feed. It is based on an enhanced version of the original Pierrot´s cell with multiple wires bent in a crank-like shape. It provides a 2-bit phase resolution in reflection for the left hand circular polarization (LHCP) and is nearly transparent in right hand circular polarization (RHCP). The main design steps and measurement procedure of the optimized cell are described in detail. The simulated and measured characteristics are in good agreement. The experimental results demonstrate a 6.4% bandwidth for a phase resolution better than 1.9 bits and an insertion loss of 0.5 dB at resonance.

Keywords

antenna feeds; electromagnetic wave polarisation; reflectarray antennas; resonance; CPSS-based unit-cell; LHCP; Pierrot cell; RHCP; circularly polarized reflectarray application; dual CP primary feed; left hand circular polarization; loss 0.5 dB; optimized cell; phase resolution; reconfigurable dual-CP reflectarray; resonance; right hand circular polarization; word length 2 bit; Metallization; Phase measurement; Polarization; Propagation losses; Reflection; Reflector antennas; Circular polarization selective surface; reflectarray; unit-cell;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2012.2233454

Filename

6378400