Novel Microstrip Photonic Bandgap Cell Structures |
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| Authors: | Zhengwei Du Ke Gong Jeffrey S Fu and Baoxin Gao |
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| Institution: | (1) State Key Laboratory on Microwave and Digital Communications, Department of Electronic Engineering, Tsinghua University, Beijing, 100084, People's Republic of China;(2) School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore, 639798 |
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| Abstract: | In general, a planar microstrip photonic bandgap (PBG) structure os a periodic array of holes etched in the ground plane of a microstrip line. To use a circuit with a PBG, the PBG structure cannot be fixed on a metal base and needs to be shielded. In this paper, two kinds of novel microstrip PBG unit cells with special patterns etched in the strip line, which can be used as the conventional microstrip circuits, are proposed and analyzed in detail. The results show that the transmission line theory is valid for the theoretic analysis of PBG circuits. |
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| Keywords: | Photonic bandgap (PBG) shielding box shielding box microstrip line filter |
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