Achieving high directivity-bandwidth through flat GRIN superstrates in Fabry-Perot cavity antennas

RM Hashmi, KP Esselle, SG Hay - 2014 IEEE Antennas and …, 2014 - ieeexplore.ieee.org
The use of flat dielectric surfaces having a radial gradient of permittivity is investigated for
use as superstrates in Fabry-Perot cavity (FPC) antennas. The use of such surfaces results …

Directive beaming with lens-like superstates for low profile Fabry-Perot cavity antennas

RM Hashmi, KP Esselle, SG Hay - 2014 16th International …, 2014 - ieeexplore.ieee.org
Lens-like superstrates designed to exhibit a spatial reflectivity map are studied for use as the
partially reflecting surface in Fabry-Perot cavity antennas. Profile reduction is obtained by …

Resonant cavity antennas

RM Hashmi, KP Esselle - Wiley Encyclopedia of Electrical and …, 1999 - Wiley Online Library
This article introduces resonant cavity antennas (RCAs) and leads the reader to develop an
operational understanding of the design processes and considerations related to various …

Composite defect-mode superstructures and wideband EBG resonator antennas

RM Hashmi, BA Zeb, KP Esselle - 2015 9th European …, 2015 - ieeexplore.ieee.org
We propose two electromagnetic band gap (EBG) structures made out of multi-layer
dielectric slabs to enhance the bandwidth of EBG resonator Antennas (ERAs). These multi …

Effective techniques for extending the directivity-bandwidth of resonant cavity antennas

RM Hashmi, BA Zebt, KP Esselle - … International Workshop on …, 2014 - ieeexplore.ieee.org
We present extremely simple techniques developed recently to address the bandwidth
enhancement of resonant cavity antennas (RCAs) made out of unprinted dielectric slabs …

[PDF][PDF] Electromagnetic band gap resonator antennas: from narrowband to extremely wideband

RM Hashmi - 2015 - figshare.mq.edu.au
This dissertation introduces several novel Electromagnetic band gap (EBG) resonator
antennas (ERAs) that are designed to have wide directivity bandwidths as well as …