Articles with "shaped ring" as a keyword



A Low-Profile Broadband Circularly Polarized mmWave Antenna With Special-Shaped Ring Slot

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Published in 2019 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2019.2920875

Abstract: A single-feed broadband circularly polarized microstrip antenna operating in millimeter-wave band is proposed. An Archimedean spiral radiator is used to realize circular polarization. By adding a special-shaped ring-slot structure with two stubs connecting the inner… read more here.

Keywords: ring slot; ghz; broadband circularly; shaped ring ... See more keywords

Tunable broadband terahertz absorber based on star-shaped ring graphene metasurface

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Published in 2024 at "Journal of Nanophotonics"

DOI: 10.1117/1.jnp.18.026004

Abstract: Abstract. We introduced a tunable terahertz broadband absorber with near-unity absorption based on a graphene metamaterial. A periodic array of star-shaped ring graphene resonators along with a silicon dioxide substrate backed with a ground plane… read more here.

Keywords: terahertz; star shaped; structure; ring graphene ... See more keywords