✦ LIBER ✦

Theoretical investigations into binomial distributions of photonic bandgaps in microstripline structures

✍ Scribed by Nemai C. Karmakar

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 264 KB
Volume: 33
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.10273

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✦ Synopsis

Abstract

Conventional circular patterned microstrip PBGs have constraints in broad stop‐band response due to high ripple heights in S parameters. In this Letter, a novel configuration with the nonuniform dimensions of circular‐patterned PBGs to improve the rejection bandwidth and the ripples is proposed. The dimensions of the circles are varied proportionally to the amplitude coefficients of the binomial distribution. The S‐parameter versus frequency plot of a 10‐element binomially distributed circular‐patterned PBG array has been presented. The result reveals that the binomial distribution improves the performance by suppressing ripples and generating distinct stop‐band and low‐pass responses and sharp cutoffs. A tandem of two such PBG lines yields even wider and distinct stop‐band and low‐pass responses. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 191–196, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10273

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Binomially distributed photonic band-gap structures (B-PBGSs) are applied to a four-section asymmetric coupled-line bandpass filter (BPF) at 15 GHz for harmonics suppression. The frequency response of the BPF on B-PBGSs is compared with that for the same BPF on uniform PBGSs (U-PBGSs). The proposed

Erratum: “Pure harmonic suppression of a

Erratum: “Pure harmonic suppression of a bandpass filter using binomially distributed photonic bandgap structures”, Microwave & Optical Technology Letters (2005)44(2)194–196

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