Waveguide band‐stop filter design using optimized pixelated inserts | Zendy

Ouedraogo Raoul O. | Zendy; Rothwell Edward J. | Zendy; Diaz Alejandro R. | Zendy; Fuchi Kazuko | Zendy; Tang Junyan | Zendy

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Waveguide band‐stop filter design using optimized pixelated inserts

Author(s) -

Ouedraogo Raoul O.,

Rothwell Edward J.,

Diaz Alejandro R.,

Fuchi Kazuko,

Tang Junyan

Publication year - 2013

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.27246

Subject(s) - stopband , waveguide , broadband , microwave , materials science , optics , filter (signal processing) , insertion loss , waveguide filter , grid , optoelectronics , electronic engineering , computer science , engineering , prototype filter , physics , low pass filter , resonator , electrical engineering , telecommunications , mathematics , geometry

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. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:141–143, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27246

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