Carlos David Morales Peña, Audric Boiteau, Christophe Morlaas, Alexandre Chabory, Romain Pascaud, Marjorie Grzeskowiak, Gautier Mazingue
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Unidirectional Dielectric Resonator Antenna Using 3-D-Printed Uniaxial Anisotropic Ceramic
A Huygens source dielectric resonator antenna (DRA) with unidirectional radiation pattern is presented. It consists of a coaxial probe exciting a rectangular, homogeneous and uniaxial anisotropic dielectric resonator (DR). To obtain a Huygens source radiation pattern, a pair of quasi-TM and TE modes are combined by controlling the permittivity tensor of the DR. A prototype operating at 2.5 GHz has been designed. The DR is made up of periodic anisotropic unit cells on a subwavelength scale and fabricated using a three-dimensional (3-D) printer. The simulated and measured results are in reasonable agreement. A relative impedance bandwidth of and a front-to-back ratio larger than 15 dB at operating frequency are finally measured.
期刊介绍：
Topics include, but are not limited to:
Microwave circuits including RF, microwave and millimetre-wave amplifiers, oscillators, switches, mixers and other components implemented in monolithic, hybrid, multi-chip module and other technologies. Papers on passive components may describe transmission-line and waveguide components, including filters, multiplexers, resonators, ferrite and garnet devices. For applications, papers can describe microwave sub-systems for use in communications, radar, aerospace, instrumentation, industrial and medical applications. Microwave linear and non-linear measurement techniques.
Antenna topics including designed and prototyped antennas for operation at all frequencies; multiband antennas, antenna measurement techniques and systems, antenna analysis and design, aperture antenna arrays, adaptive antennas, printed and wire antennas, microstrip, reconfigurable, conformal and integrated antennas.
Computational electromagnetics and synthesis of antenna structures including phased arrays and antenna design algorithms.
Radiowave propagation at all frequencies and environments.
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