Waveguide band-stop filter design using optimized pixelated inserts

被引：3

作者：

Ouedraogo, Raoul O. ^{[2
]}

Rothwell, Edward J. ^{[1
]}

Diaz, Alejandro R. ^{[3
]}

Fuchi, Kazuko ^{[3
]}

Tang, Junyan ^{[1
]}

机构：

[1] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA

[2] MIT, Lincoln Lab, Lexington, MA 02173 USA

[3] Michigan State Univ, Dept Mech Engn, E Lansing, MI 48824 USA

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2013年 / 55卷 / 01期

基金：

美国国家科学基金会;

关键词：

broadband; genetic algorithm; metamaterials; microwave filters; optimization methods; PLANE FILTERS; METAMATERIALS;

D O I：

10.1002/mop.27246

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A technique is introduced for designing band-stop waveguide filters by optimizing a grid of metallic pixels on a dielectric sheet placed longitudinal to the waveguide axis. By using topology optimization and a genetic algorithm, compact broadband waveguide filters may be produced that are easy to fabricate at low cost. Measured and simulated performance show strong rejection in the stopband with a rapid roll off at the band edges and low insertion loss outside the stopband. (C) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:141143, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27246

引用

页码：141 / 143

页数：3

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