Journal of Zhejiang University-SCIENCE A

, Volume 5, Issue 3, pp 269–273 | Cite as

A new photonic bandgap cover for a patch antenna with a photonic bandgap substrate

  • Lin Qing-chun
  • Zhu Fang-ming
  • He Sai-ling
Computer & Information Science


A new photonic bandgap (PBG) cover for a patch antenna with a photonic bandgap substrate is introduced. The plane wave expansion method and the FDTD method were used to calculate such an antenna system. Numerical results for the input return loss, radiation pattern, surface wave, and the directivity of the antennas are presented. A comparison between the conventional patch antenna and the new PBG antenna is given. It is shown that the new PBG cover is very efficient for improving the radiation directivity. The physical reasons for the improvement are also given.

Key words

Photonic bandgap cover Patch antenna FDTD Plane wave expansion method 

Document code

CLC number

TN82 O73 


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Copyright information

© Zhejiang University Press 2004

Authors and Affiliations

  1. 1.State Key Laboratory of Modern Optical Instrumentation, Center of Optical and Electromagnetic ResearchZhejiang UniversityHangzhouChina

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