论文信息 - Enhancement of gain and radiation bandwidth for a planar 1-D EBG antenna

Enhancement of gain and radiation bandwidth for a planar 1-D EBG antenna

This letter describes a technique to increase the radiation bandwidth and the gain of a classical planar electromagnetic band gap (EBG) antenna. Those two parameters are relative to the EBG material but also to the excitation, this second characteristic is studied here. The principle is to excite the EBG structure with several sources (instead of a single one classically). The performances depend on the number of sources and their spacing. Directivity and radiation bandwidth can be increased dramatically with few sources.

[1] Ekmel Ozbay,et al. Exceptionally Directional Sources With Photonic-Bandgap Crystals , 2001 .

[2] O. Vanbésien,et al. A highly directive dipole antenna embedded in a Fabry-Perot type cavity , 2002, IEEE Microwave and Wireless Components Letters.

[3] Bernard Jecko,et al. Directive photonic-bandgap antennas , 1999 .

[4] Sailing He,et al. High‐directivity patch antenna with both photonic bandgap substrate and photonic bandgap cover , 2001 .

[5] Bernard Jecko,et al. 1D dielectric electromagnetic band gap (EBG) resonator antenna design , 2004, Ann. des Télécommunications.

[6] Nicolaos G. Alexopoulos,et al. Gain enhancement methods for printed circuit antennas , 1984 .

[7] E. Yablonovitch,et al. Inhibited spontaneous emission in solid-state physics and electronics. , 1987, Physical review letters.