Optimal cell topology constraint for monolayer dual-polarized beamscanning reflectarrays

This letter relates to the development of satellite reflectarrays able to scan a single dual-polarized beam, based on monolayer resonating cells embedding digital microelectromechanical systems (MEMS). We study general topology constraints to be imposed on the elementary cell to ensure dual-polarized operation, minimal cross-polarization, and a reduced number of MEMS for a given phase resolution. It is shown that an element electrically invariant to a 90 degrees rotation is the most favorable one, and the theoretical considerations are verified by a design example under both normal and oblique incidence.


Published in:
IEEE Antennas and Wireless Propagation Letters, 11, 434-437
Year:
2012
Publisher:
Institute of Electrical and Electronics Engineers
ISSN:
1536-1225
Keywords:
Laboratories:




 Record created 2012-04-02, last modified 2018-09-13


Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)