This book presents a comprehensive insight into the design techniques for different types of
CP antenna elements and arrays In this book, the authors address a broad range of topics …

A quarter-mode substrate integrated waveguide (QMSIW) which is the quadrant sector of a
square waveguide resonator is proposed and investigated in this paper. The QMSIW is …

Planar waveguide slot arrays (WSAs) have been used since 1940 and are currently used as
performing antennas for high frequencies, especially in applications such as communication …

A series-fed single-layer dual-circularly polarized slot array antenna fed by a stepped ridge
gap waveguide (RGW) is proposed at the 77-GHz band. The antenna generates dual …

A top-wall substrate integrated waveguide (SIW) slot radiator for generating circular
polarized (CP) field is proposed and characterized in this letter. The reflection of the slot …

A wideband circularly polarized (CP) frequency-dependent slot antenna array is designed
for beam scanning using the ridge gap waveguide (RGW) technology. The merge between …

Waveguide slot arrays are a widely used solution to attain linearly polarized high-gain
antennas. In this article, an all-metal T-shaped radiating element is conceived with the aim to …

In this letter, a circularly polarized (CP) waveguide antenna with dual pairs of slots is
presented for Ka-band applications. Circular polarization is realized by combining two …

This communication presents an innovative dualpolarization antenna working at Ku band
(14÷ 14.5 GHz) based on slotted waveguide array (SWGA) technology. The proposed …

A substrate integrated waveguide (SIW) linear array is presented with a new circularly
polarized (CP) element. The single radiator consists of four cross tilted slots. In addition, a …