Duplexer using microwave photonic band gap structure

Oh, Sang Soon ORCID: https://orcid.org/0000-0003-3093-7016, Kee, Chul-Sik, Kim, Jae-Eun, Park, Hae Yong, Kim, Tae Il, Park, Ikmo and Lim, H. 2000. Duplexer using microwave photonic band gap structure. Applied Physics Letters 76 (16) , 2301. 10.1063/1.126326

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Abstract

We propose a frequency selective duplexer using microwave photonic band gap (PBG) structures. It uses two different PBGs to control the propagation of electromagnetic waves in the microwave region. In this structure, an additional narrow reflection band appears in the transmission spectrum when the PBG structure is not properly located relative to the T junction. By considering multiple reflections, it is proved that this additional reflection band in each PBG structure results from the interference between the input wave and the reflected wave from the other PBG structure. An effective way to prevent this interference effect is also discussed.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	American Institute of Physics (AIP)
ISSN:	0003-6951
Date of First Compliant Deposit:	19 December 2017
Last Modified:	05 May 2023 02:36
URI:	https://orca.cardiff.ac.uk/id/eprint/107676

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