Design of Wideband Bandpass Filter Based on Corrugated Disk Resonator with Multiple Resonant Modes.

Qian Yang, Shuangyang Liu, Hongyu Shi, Kai-Da Xu, Xinyue Dai, Hao Du, Anxue Zhang

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Article in Materials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Qian YangSchool of Information and Communications Engineering, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.ORCID 0000-0002-1961-9685

Shuangyang LiuSchool of Information and Communications Engineering, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.

Hongyu ShiSchool of Information and Communications Engineering, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.

Kai-Da XuSchool of Information and Communications Engineering, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.ORCID 0000-0001-9408-1347

Xinyue DaiSchool of Information and Communications Engineering, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.

Hao DuSchool of Information and Communications Engineering, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.

Anxue ZhangSchool of Information and Communications Engineering, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China.ORCID 0000-0002-3254-6679

Funding

China Postdoctoral Science Foundation 2018M631162National Natural Science Foundation of China 61801367

6 · The paper itself

Abstract

A corrugated disk resonator with eight grooves is proposed for wideband bandpass filter (BPF) design. Due to the spoof localized surface plasmons resonances of the corrugated metallic structure, the dipole, quadrupole, hexapole modes, and a fundamental mode excited by the introduced short-circuited via holes are employed to realize four transmission poles (TPs) in the passband. The theoretical analysis is described by the electric field and current distributions on the resonator. The resonant frequencies can be tuned easily by the parameters of the structure, which can be used to adjust the center frequency and bandwidth of the BPF freely. Furthermore, two resonators are cascaded to obtain eight TPs to improve the selectivity performance. Finally, three fabricated filters demonstrate the design method.

Indexed as

bandpass filtercorrugated disk resonatormultiple resonant modesspoof localized surface plasmontransmission polewideband

Identifiers

PMID34067867

DOI10.3390/ma14102614

PMCPMC8157127

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.