Theoretical investigations into binomial distributions of photonic bandgaps in microstripline structures

Nemai C. Karmakar

doi:10.1002/mop.10273

Theoretical investigations into binomial distributions of photonic bandgaps in microstripline structures

Nemai C. Karmakar

Research output: Contribution to journal › Article › Research › peer-review

19 Citations (Scopus)

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.

Original language	English
Pages (from-to)	191-196
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	33
Issue number	3
DOIs	https://doi.org/10.1002/mop.10273
Publication status	Published - 5 May 2002
Externally published	Yes

Keywords

Annular ring PBG
Binomial distribution
Filters
Microstrip lines
Photonic bandgap
Ripples
Stop band

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10.1002/mop.10273

Cite this

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title = "Theoretical investigations into binomial distributions of photonic bandgaps in microstripline structures",

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.",

keywords = "Annular ring PBG, Binomial distribution, Filters, Microstrip lines, Photonic bandgap, Ripples, Stop band",

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T1 - Theoretical investigations into binomial distributions of photonic bandgaps in microstripline structures

AU - Karmakar, Nemai C.

PY - 2002/5/5

Y1 - 2002/5/5

N2 - 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.

AB - 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.

KW - Annular ring PBG

KW - Binomial distribution

KW - Filters

KW - Microstrip lines

KW - Photonic bandgap

KW - Ripples

KW - Stop band

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DO - 10.1002/mop.10273

M3 - Article

AN - SCOPUS:0037023895

SN - 0895-2477

VL - 33

SP - 191

EP - 196

JO - Microwave and Optical Technology Letters

JF - Microwave and Optical Technology Letters

IS - 3

ER -

Theoretical investigations into binomial distributions of photonic bandgaps in microstripline structures

Abstract

Keywords

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