Design and implementation of waveguide bandpass filter using complementary metaresonator

Haq, Tanveer Ul; Khan, Maaz; Siddiqui, Omar

doi:10.1007/s00339-015-9533-1

Cited by 15 publications

(7 citation statements)

References 16 publications

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“…This paper presents a dual band microwave sensor comprised of two Complementary Symmetric Split-Ring Resonators (CSSRRs). The CSSRRs are a dual counterpart of the Symmetric Split-Ring Resonators (SSRRs) [32], and these resonators have been used to design waveguide bandpass filter [33] and reconfigurable stopband filter [34]. Based on the previous study [35], a low-cost and high Q sensor is proposed with mathematical modeling to evaluate common dielectric substrates.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Dielectric Substrates Using Dual Band Microwave Sensor

Armghan

Alanazi

Altaf³

et al. 2021

IEEE Access

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In this work, a compact, inexpensive, and efficient dual band microwave sensor is proposed. The sensor is based on two Complementary Symmetric Split-Ring Resonators (CSSRRs) and possesses a high Q factor and wide sensing range. These CSSRRs are coupled electrically with two inductive patches to the Microstrip Transmission Line (MTL). This combination provides two dual bands, first at 5.35 GHz with a notch depth of -55.20 dB and second at 7.99 GHz with a notch depth of -22.54 dB. The sensor works in transmission mode and senses shift in frequency. Some commonly available dielectric substrates with relative permittivity ranges between 1 and 12 are considered Material Under Test (MUT), and detailed sensitivity analysis is being performed for each band. The dual band sensor is fabricated on a low-cost, widely available FR4 substrate and measured by CEYEAR AV3672D vector network analyzer. Additionally, the least square curve fitting method is used to develop a mathematical model for the measured results. An excellent agreement is observed between simulated, measured, and formulated results.

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Section: Introductionmentioning

confidence: 99%

Characterization of Dielectric Substrates Using Dual Band Microwave Sensor

Armghan

Alanazi

Altaf³

et al. 2021

IEEE Access

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“…In addition to these studies, gradually, metamaterials have spread out in many syntheses and designs to improve performance whether cutoff frequency or bandwidth of filter by using coupled split ring resonators (SRRs) and a negative image of split ring resonator CSRRs [28][29][30][31][32][33] are proposed and designed. However, previous studies have discussed and focused on dimensions of meta-resonators without mentioning or discussing shifts between upper and lower rings.…”

Section: Introductionmentioning

confidence: 99%

“…Although the methodology used in this article is straightforward due to the usage of a single resonator, it gives a narrow bandwidth 500 MHz and is not able to control the bandwidth or the selectivity of filter well; particularly, they have implemented two filters with a different number of poles and given the same narrow bandwidth; furthermore, they didn't mention the overall physical size of the proposed filter. Whilst the authors in [33] have proposed a unit cell of CSRR and tuned it at 12.1 GHz center frequency without mentioning the type of filter or the number of filter's poles, they have just implemented their resonator based on optimization of its physical dimensions to get a desired center frequency with 2 GHz passband. In addition, their method has just depended on the changing physical dimensions of CSRR itself.…”

Section: Introductionmentioning

confidence: 99%

Design of X-Bandpass Waveguide Chebyshev Filter Based on CSRR Metamaterial for Telecommunication Systems

AbuHussain

Hasar

2020

Electronics

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This paper presents a new design of a fifth order bandpass waveguide filter with Chebyshev response which operates in the X-band at 10 GHz center frequency. By using a complementary split ring resonator (CSRR) upper and lower sections that are placed on the same transverse plane and are not on the same parallel line, CSRR sections are shifted from each other. A simple model of lumped elements RLC is introduced and calculated as well. The model of the proposed bandpass waveguide filter is synthesized and designed by using computer simulation technology (CST). Hereafter, by selecting proper physical parameters and optimizing the overall CSRR geometrical dimensions by taking into consideration the coupling effect between resonators, a shortened length of the overall filter, and a wider bandwidth over the conventional one are obtained. As a result, the proposed filter is compared with the conventional bandpass waveguide filter that is coupled by inductive irises with Chebyshev response, in addition to other studies that have used the metamaterial technique. The proposed filter reduces the overall physical length by 31 % and enhances the bandwidth up to 37.5 % .

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“…According to [12], complementary metamaterial resonators exhibit cross polarization effect, which implies that these resonators can show electric and magnetic dipole resonance if properly excited by external electric and magnetic fields respectively. Initially, these complementary resonators are used to design composite right left-handed transmission lines [13], [14], tunable metamaterial transmission lines [15], band-stop [16]- [20] and band-pass filters [21]- [23]. Later on band-pass and band-stop characteristics are used for sensing based on variation in resonance frequency due to interaction with the MUTs.…”

Section: Introductionmentioning

confidence: 99%

“…In this paper, we have used complementary symmetric split ring resonator (CS-SRR), complementary asymmetric split ring resonator (CAS-SRR) and complementary bisymmetric split ring resonator (CBS-SRR) to design three dual notch sensors. CS-SRR consists of two split ring resonators that are placed symmetrically and this configuration has already been used to design reconfigurable band-stop filter [19], high Q filter [20] and band-pass waveguide filter [23]. CAS-SRR is modified form of recently reported magnetic LC (MLC) resonator [32].…”

Section: Introductionmentioning

confidence: 99%

Dual Notch Microwave Sensors Based on Complementary Metamaterial Resonators

et al. 2019

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In this paper, three dual notch microwave sensors are presented based on a microstrip transmission line and complementary metamaterial resonators. The main aim of this paper is to compare the constitutive parameters and sensitivity of all three dual notch sensors which are based on complementary symmetric split ring resonator (CS-SRR), complementary asymmetric split ring resonator (CAS-SRR) and complementary bisymmetric split ring resonator (CBS-SRR). The main motivation beyond the presented work is to use dual notches to estimate the relative permittivity of material under test (MUT). Electromagnetic simulation elucidates the origin of dual mode resonance of all the three resonators. Sensitivity analysis is performed on each sensor by using fifteen MUTs with relative permittivity ranges from 1.006 to 16.5 and constant dimensions 10 mm × 10 mm × 1 mm. To verify the concept, a sensor is fabricated and its response is measured using a vector network analyzer (AV3672). Using curve fitting technique the shift in the resonance frequencies of the fabricated sensor due to interaction with MUT is presented as a function of permittivity. Simulated, measured and formulated results are in good agreement with each other.

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Design and implementation of waveguide bandpass filter using complementary metaresonator

Cited by 15 publications

References 16 publications

Characterization of Dielectric Substrates Using Dual Band Microwave Sensor

Characterization of Dielectric Substrates Using Dual Band Microwave Sensor

Design of X-Bandpass Waveguide Chebyshev Filter Based on CSRR Metamaterial for Telecommunication Systems

Dual Notch Microwave Sensors Based on Complementary Metamaterial Resonators

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