Unit cells for dual-polarized and polarization-flexible reflectarrays with scanning capabilities
Conference: EuCAP 2009 - 3rd European Conference on Antennas and Propagation
03/23/2009 - 03/27/2009 at Berlin, Germany
Proceedings: EuCAP 2009
Pages: 4Language: englishTyp: PDF
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Authors:
Perruisseau-Carrier, Julien; Pardo, Pablo (Centre Tecnologic de Telecomunicacions de Catalunya (CTTC), Barcelona, Spain)
Abstract:
We present the analysis and design of reflecting cells capable of dynamically and independently control the reflection phase of each component of a dual-polarized impinging wave. Such capability is of significant interest for the future implementation of dual-polarized and polarization-flexible reflectarrays with scanning capabilities. The presented cells are controlled by varactor diodes and operate in lower X-band (8 GHz). Simulated and measurement results demonstrate good performances in terms of phase range, losses and bandwidth. For example, a range of 300deg is achieved under normal incidence at 8 GHz with maximum and average reflection loss of 3.3 dB and 1.4 dB, respectively.