Publications

Configuration of a MEMS-based Terahertz Reflectarray Using a Genetic Algorithm

Liu, X. and Schmitt, L. and Kolpatzeck, K. and Hoffmann, M. and Balzer, J.C. and Czylwik, A.

INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ
Volume: 2021-August Pages:
DOI: 10.1109/IRMMW-THz50926.2021.9567102
Published: 2021

Abstract
In this work, we demonstrate the configuration of a MEMS-based terahertz reflectarray using a genetic algorithm for continuous beam steering with the capability of manipulating the beam pattern. Two different optimization goals are considered: maximizing the directivity and minimizing the sidelobe level. As preliminary results, we show calculated and simulated radiation patterns where the beam is successfully steered to 45° at 0.3 THz without grating lobes. For the first optimization goal, we achieve a directivity of 16.7 dBi at the desired angle, whereas we suppress the sidelobe level from -13.7 dB to -16 dB for the second optimization goal. © 2021 IEEE

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