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|Title:||Design and implementation of terahertz reflectarray|
|Citation:||Proceedings of the 37th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2012.|
|Series/Report no.:||International Conference on Infrared Millimeter and Terahertz Waves|
|Conference Name:||International Conference on Infrared, Millimeter and Terahertz Waves (37th : 2012 : Wollongong, Australia)|
|Tiaoming Niu, Withawat Withayachumnankul, Benjamin Ung, Hakan Menekse, Madhu Bhaskaran, Sharath Sriram and Christophe Fumeaux|
|Abstract:||In this work, a reflectarray operating at 1 THz is designed and implemented using metal-dielectric resonant patch elements. The dimensions of the single elements are optimized through simulation to achieve a wide range of the reflection phase change. Based on the relation between the phase change and the patch size, the terahertz reflectarray is built up to function as a reflector deflecting an incident beam at a predesigned angle off the specular direction. In order to verify the design, a prototype is fabricated and the measurement results show that about 80% of the incident amplitude can be deflected into the desired direction around the operation frequency. The work presents an attractive concept for developing components able to efficiently manipulate terahertz radiation.|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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