A design procedure for a circularly polarised (CP) reflectarray with linearly polarised feed is presented. It is validated by simulation and experiment results that exhibit the cross-polar level of −20 dB at the designed frequency, and −10 dB in 14% bandwidth. This type of CP reflectarray can be used as a good substitution for those with a CP feed.
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Wu et al. (2005) studied this question.
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