Title :
Evaluation of losses in microstrip gap waveguide for slot antennas applications
Author :
Pucci, Elena ; Kildal, Per-Simon ; Rajo-Iglesias, Eva
Author_Institution :
Dept. of Signals & Syst., Chalmers Univ. of Technol., Gothenburg, Sweden
Abstract :
The new microstrip gap waveguide supports a quasi-TEM mode in the air by the use of artificial magnetic conductors which force the field to travel in the air rather than in the substrate. This paper presents an evaluation of losses by measuring the Q-factor of a resonator made in this technology, made using a mushroom-type EBG surface. Losses are crucial when using printed circuits to feed slot antennas, thereby motivating this work. Comparisons with standard microstrip lines will be provided, showing promising results.
Keywords :
antenna feeds; losses; magnetic circuits; microstrip antennas; microstrip lines; optical resonators; photonic band gap; printed circuits; slot antennas; Q-factor measurement; artificial magnetic conductor; loss evaluation; microstrip gap waveguide; mushroom-type EBG surface; printed circuit; quasiTEM mode; resonator; slot antenna feed application; standard microstrip line; Microstrip; Microstrip antenna arrays; Microstrip antennas; Microwave antennas; Slot antennas; Transmission line measurements; Waveguide discontinuities;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
978-1-4673-0461-0
DOI :
10.1109/APS.2012.6348596
