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Low profile spiral antenna with PBG substrate |
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| Authors: | Liu TH Zhang WX Zhang M Tsang KF |
| Affiliation: | State Key Lab. of Millimeter Waves, Southeast Univ., Nanjing; |
| Abstract: | A novel spiral antenna backed on photonic bandgap (PBG) material is presented. It consists of a spiral radiator, a PBG substrate and a feed network; and exhibits a wider frequency bandwidth, larger ratio of front-to-back radiation level, and higher gain than a traditional spiral antenna with λ/4 spaced ground plate |
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