${\hbox {Q}}$ Factor Analysis of Reflectarray Elements Investigating the Effects From Angle of Incidence Using Floquet Modes

@article{Karnati2014hboxF,
  title={\$\{\hbox \{Q\}\}\$ Factor Analysis of Reflectarray Elements Investigating the Effects From Angle of Incidence Using Floquet Modes},
  author={Kalyan Karnati and Yazid Yusuf and Siamak Ebadi and Xun Gong},
  journal={IEEE Transactions on Antennas and Propagation},
  year={2014},
  volume={62},
  pages={5017-5028}
}
A theoretical approach to investigate the effects of incidence angle on reflection properties of reflectarray elements is developed for the first time. Utilizing coupled-mode theory and Floquet analysis, the dependence of reflection coefficient on incidence angles and plane of incidence is presented in terms of Q factors. A unit cell excited by a plane wave at different incidence angles is shown to have varying coupling conditions and reflection properties. Emphasis is laid on elements located… CONTINUE READING

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