Abstract
Micro-Electromechanical Systems (MEMS) technology has been efficiently applied in modeling a large class of terahertz (THz) antennas due to the fast progress of Computer Aided Design (CAD) tools which meet the very specific requirement of such compact antennas thanks to advanced electromagnetic optimization techniques. This paper presents a novel design of a MEMS helix antenna developed using complex three-dimensional High Frequency Structure Simulator- (3D HFSS) based Sequential Non Linear Programming (SNLP) algorithms to achieve a high geometrical accuracy and provide a high performance for the selective band of frequencies by rectifying various tunable parameters embedded in silicon platform including both helix parameters and feeding line characteristics. The helix antenna using MEMS technology shows excellent electromagnetic response demonstrated by very low reflection coefficients of less than -10 to -45dB, excellent voltage standing wave ratios of less than 1.20 to 1.00, and very good directivity for a wide range of frequencies extending from 800 GHz to 1.05 THz.
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