Left-handed rectangular waveguide bandstop filters

Shelkovnikov, Alexander B. and Budimir, Djuradj (2006) Left-handed rectangular waveguide bandstop filters. Microwave & Optical Technology Letters, 48 (5). pp. 846-848. ISSN 0895-2477

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Official URL: http://dx.doi.org/10.1002/mop.21494


A novel type of rectangular waveguide bandstop filter is presented. Incorporating a dielectric slab patterned with single split-ring resonators (SRRs), the electromagnetic properties of the structures are modified to allow propagation of backward waves in the rectangular waveguide. Filters are created through integration of SRRs, wireline, and additional metal strips as a loading for the propagation media. Using the printed circuit board (PCB) technique, SRRs, wireline, and metal strips are etched on a dielectric substrate and the slab is then inserted in the central plane of the metallic waveguide. A three-unit cell SRR-loaded waveguide is investigated against a three-unit cell LHM waveguide configuration. A three-unit LHM rectangular waveguide bandstop filter is designed and analyzed in order to performance wide stopband performance. The simulated results are presented for a WG-18 waveguide. LHM rectangular waveguide bandstop filters are compact, low cost, and suitable for mass production.

Item Type: Article
Additional Information: Online ISSN 1098-2760
Subjects: University of Westminster > Science and Technology > Electronics and Computer Science, School of (No longer in use)
Depositing User: Miss Nina Watts
Date Deposited: 15 Feb 2007
Last Modified: 16 Oct 2009 08:31
URI: http://westminsterresearch.wmin.ac.uk/id/eprint/3310

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