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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue (3): 269-273    DOI: 10.1631/jzus.2004.0269
Computer & Information Science     
A new photonic bandgap cover for a patch antenna with a photonic bandgap substrate
LIN Qing-chun, ZHU Fang-ming, HE Sai-ling
State Key Laboratory of Modern Optical Instrumentation, Center of Optical and Electromagnetic Research, Zhejiang University, Hangzhou 310027, China
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Abstract  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     
Received: 16 April 2003     
CLC:  TN82  
  O73  
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ZHU Fang-ming
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HE Sai-ling
Cite this article:

LIN Qing-chun, ZHU Fang-ming, HE Sai-ling. A new photonic bandgap cover for a patch antenna with a photonic bandgap substrate. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5(3): 269-273.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.0269     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I3/269

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[3] Hu Jun, Yan Chun-sheng, Lin Qing-chun. A new patch antenna with metamaterial cover[J]. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(1): 89-94.