High-Efficiency Planar Reflectarray With Small-Size for OAM Generation at Microwave Range

In this letter, a high-efficiency planar reflectarray with a small size of 3.87λ 0 × 3.87λ 0 is designed, which can effectively convert arbitrary polarized waves to orbital angular momentum (OAM) waves with a desired mode number and a beam direction. The two concentric rings with a small size of 0.3...

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Veröffentlicht in:	IEEE antennas and wireless propagation letters 2019-03, Vol.18 (3), p.432-436
Hauptverfasser:	Huang, Hui-Fen, Li, Shuai-Nan
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Apertures Dielectric resonator antennas Electric fields High efficiency orbital angular momentum (OAM) planar reflectarray antenna Reflector antennas Spirals Substrates vortex beam
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