@inproceedings{29f4f3f0226141abbc2b03fce608f891,
title = "Modeling and analysis of quasi-periodic arrays",
abstract = "Planar quasi-periodic arrays are widely used in many electromagnetic devices such as metasurfaces, reflectarray antennas, nano particle arrays, etc. They comprise similar elements located on periodic grids. In this work, we compare the reflection phase of elements in the array between the designed value and the practical one. This difference is mainly because real quasi-periodic arrays break the periodicity assumption used in computing the designed element phase. To study this error, we develop a formulation based on Floquet theory to compute the reflection phase of a unit-cell in a practical array. We observe that the error can be significant for elements with high-Q resonances and can deteriorate the performance of reflectarray antennas or metasurfaces. As a remedy, we develop a workflow for element phase correction based on full-wave simulation of the entire array. An improvement in performance is observed for arrays with high-Q resonances.",
keywords = "integral equation, quasi-periodic arrays, reduced basis method, reflectarray antena",
author = "Maokun Li and Xunwang Dang and Tong Liu and Fan Yang and Shenheng Xu and Amir Boag",
note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017 ; Conference date: 11-09-2017 Through 15-09-2017",
year = "2017",
month = oct,
day = "11",
doi = "10.1109/ICEAA.2017.8065427",
language = "الإنجليزيّة",
series = "Proceedings of the 2017 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "998--1000",
booktitle = "Proceedings of the 2017 19th International Conference on Electromagnetics in Advanced Applications, ICEAA 2017",
address = "الولايات المتّحدة",
}