Abstract
AbstractPhotonic band‐gap (PBG) structures are utilized in microwave components as filters to suppress unwanted signals. In this work, rectangular perforations were created in the ground plane of a microstrip line to construct a PBG structure. A gold‐coated alumina substrate was utilized to switch or tune the bandstop characteristics of this structure. It was demonstrated that the bandstop characteristics were switched off from −35 to −1 dB at 16 GHz. Tuning of the bandstop edge with a shift of 1.5 GHz was also shown. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 334–337, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20462
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