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A low-pass filter of wide stopband with a novel multilayer fractal photonic bandgap structure

✍ Scribed by Hai-Wen Liu; Xiao-Wei Sun; Zheng-Fan Li

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 69 KB
Volume: 40
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.11401

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✦ Synopsis

Abstract

A novel multilayer fractal photonic bandgap (PBG) is presented as the substrate for a microstrip line and resulting configuration builds a low‐pass filter (LPF) of wide stop‐band. Experimental results in comparison with the corresponding two filters with monoplayer PBG show that the proposed filter drastically enhances the width of the stop‐band. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 40: 431–432, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11401

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## Abstract Two novel low‐pass filters (LPFs) of wide stop‐band are proposed in this paper. One filter is implemented by a photonic band‐gap (PBG) microstrip structure with T‐junction opened stubs and its frequency characteristics are discussed. The other filter is implemented by a PBG microstrip s