D. G. Ovejero, M. Faenzi, A. Mahmoud, M. Ettorre, R. Sauleau, N. Chahat, G. Chattopadhyay, S. Maci
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Some recent developments on modulated metasurface antennas
This paper presents two different research lines that have contributed to extend the range of applicability of modulated metasurface (MTS) antennas. First, we describe the realization of modulated MTS antennas by metallic cylinders with elliptical cross-section. This metal-only structure can withstand harsh environmental conditions, for instance, in deep-space exploration. Second we introduce two possible techniques to overcome the bandwidth limitation of modulated MTS antennas. The first method allows one to get dual-band operation, whereas the second one enables the design of MTS antenna with a larger bandwidth.
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