Title :
Development of a MEMS-enabled frequency selective surface
Author :
Safari, Majid ; Shafai, Cyrus ; Shafai, L.
Author_Institution :
Electr. & Comput. Eng. Dept., Univ. of Manitoba, Winnipeg, MB, Canada
Abstract :
A frequency selective surface (FSS) based on a capacitively loaded slot in a ground plane is presented. The loading of the slot is achieved by using a MEMS bridge fabricated over the slot. It is shown that varying the height of the MEMS bridge changes the capacitance of the system, which in turn changes the resonance frequency of the FSS. The device was fabricated and tested in an X-band waveguide with customized flanges. The measurements showed the resonance frequency successfully varied from 8.54 to 10.26 GHz. The simulated and measured reflection coefficients showed excellent agreement.
Keywords :
flanges; frequency selective surfaces; micromechanical devices; FSS; MEMS bridge; MEMS-enabled frequency selective surface; X-band waveguide; capacitively loaded slot; customized flanges; ground plane; reflection coefficients; resonance frequency; Bridge circuits; Capacitance; Flanges; Frequency selective surfaces; Micromechanical devices; Resonant frequency; Switches; Frequency Selective Surface; MEMS Bridge; RF-MEMS; Tunable FSS;
Conference_Titel :
Antenna Technology and Applied Electromagnetics (ANTEM), 2014 16th International Symposium on
Conference_Location :
Victoria, BC
DOI :
10.1109/ANTEM.2014.6887759
