2021
DOI: 10.1049/mia2.12127
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Compact empty substrate integrated waveguide with high performance and its application in microwave

Abstract: A compact slow-wave empty substrate integrated waveguide (SW-ESIW) structure is proposed in this article. This structure is composed of an empty substrate with a bottom layer including several rows of internal metallised via holes. In order to decrease both the lateral and longitudinal dimensions, the slow wave effect, caused by physical separation of electric and magnetic fields, is introduced while retaining the advantages of ESIW, such as high quality factor, small insertion loss, and the advantages of SIW,… Show more

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Cited by 6 publications
(2 citation statements)
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“…We successfully achieved the proposed novel waveguide, the slow-wave empty substrate-integrated waveguide (SW-ESIW) in [34]. The structure combined the advantages of SW-SIW and ESIW technologies and has proven to be useful in filters with miniaturization and high-quality factors.…”
Section: Introductionmentioning
confidence: 99%
“…We successfully achieved the proposed novel waveguide, the slow-wave empty substrate-integrated waveguide (SW-ESIW) in [34]. The structure combined the advantages of SW-SIW and ESIW technologies and has proven to be useful in filters with miniaturization and high-quality factors.…”
Section: Introductionmentioning
confidence: 99%
“…Despite the compactness of these planar solutions, one significant setback in the implementation of slow-wave structures in a planar solution were the increased losses, especially at higher frequencies. One method of reducing losses at higher frequencies was to remove the dielectric substrate to eliminate the dielectric losses [8], [9]. Reference [9] proposes a semiplanar structure which has the advantage of compactness and high quality factor performance.…”
Section: Introductionmentioning
confidence: 99%