Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology

Artem R. Vilenskiy; Yingqi Zhang; Esmé Galesloot; Adrianus Bart Smolders; Marianna V. Ivashina

doi:10.23919/EuCAP53622.2022.9769175

Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology

Artem R. Vilenskiy, Yingqi Zhang, Esmé Galesloot, Adrianus Bart Smolders, Marianna V. Ivashina

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

2 Citations (Scopus)

Abstract

A realization of the quasi-optical (QO) feed concept for linear millimeter-wave (sub-)array antennas is demonstrated in gap waveguide technology. The proposed feed architecture employs an input transition from a ridge gap waveguide (RGW) to a groove gap waveguide (GGW), a radial (H-plane sectoral) GGW section, and a transition to an output RGW array. A design decomposition approach is presented to reduce simulation complexity. Several 20-element QO feed implementations are investigated at W-band demonstrating a 20% relative bandwidth (85-105 GHz), 0.5 dB insertion loss, and a capability of an amplitude taper control within the 10-20 dB range.

Original language	English
Title of host publication	2022 16th European Conference on Antennas and Propagation, EuCAP 2022
Publisher	Institute of Electrical and Electronics Engineers
Number of pages	5
ISBN (Electronic)	978-88-31299-04-6
DOIs	https://doi.org/10.23919/EuCAP53622.2022.9769175
Publication status	Published - 11 May 2022
Event	16th European Conference on Antennas and Propagation, EuCAP 2022 - Madrid, Spain Duration: 27 Mar 2022 → 1 Apr 2022 Conference number: 16 https://www.eucap2022.org/

Conference

Conference	16th European Conference on Antennas and Propagation, EuCAP 2022
Abbreviated title	EuCAP 2022
Country/Territory	Spain
City	Madrid
Period	27/03/22 → 1/04/22
Internet address	https://www.eucap2022.org/

Bibliographical note

Funding Information:
This work has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 860023 and the Sweden-Taiwan Collaborative Research Framework Project “Antenna Technologies for Beyond-5G Wireless Communication” from the Swedish Foundation for Strategic Research.

Keywords

array antenna
gap waveg-uide
metamaterials
quasi-optical feed
radial waveguide

Access to Document

10.23919/EuCAP53622.2022.9769175

Cite this

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title = "Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology",

abstract = "A realization of the quasi-optical (QO) feed concept for linear millimeter-wave (sub-)array antennas is demonstrated in gap waveguide technology. The proposed feed architecture employs an input transition from a ridge gap waveguide (RGW) to a groove gap waveguide (GGW), a radial (H-plane sectoral) GGW section, and a transition to an output RGW array. A design decomposition approach is presented to reduce simulation complexity. Several 20-element QO feed implementations are investigated at W-band demonstrating a 20% relative bandwidth (85-105 GHz), 0.5 dB insertion loss, and a capability of an amplitude taper control within the 10-20 dB range.",

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Vilenskiy, AR, Zhang, Y, Galesloot, E, Smolders, AB & Ivashina, MV 2022, Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology. in 2022 16th European Conference on Antennas and Propagation, EuCAP 2022., 9769175, Institute of Electrical and Electronics Engineers, 16th European Conference on Antennas and Propagation, EuCAP 2022, Madrid, Spain, 27/03/22. https://doi.org/10.23919/EuCAP53622.2022.9769175

Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology. / Vilenskiy, Artem R.; Zhang, Yingqi; Galesloot, Esmé et al.
2022 16th European Conference on Antennas and Propagation, EuCAP 2022. Institute of Electrical and Electronics Engineers, 2022. 9769175.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AU - Vilenskiy, Artem R.

AU - Zhang, Yingqi

AU - Galesloot, Esmé

AU - Smolders, Adrianus Bart

AU - Ivashina, Marianna V.

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AB - A realization of the quasi-optical (QO) feed concept for linear millimeter-wave (sub-)array antennas is demonstrated in gap waveguide technology. The proposed feed architecture employs an input transition from a ridge gap waveguide (RGW) to a groove gap waveguide (GGW), a radial (H-plane sectoral) GGW section, and a transition to an output RGW array. A design decomposition approach is presented to reduce simulation complexity. Several 20-element QO feed implementations are investigated at W-band demonstrating a 20% relative bandwidth (85-105 GHz), 0.5 dB insertion loss, and a capability of an amplitude taper control within the 10-20 dB range.

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KW - metamaterials

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T2 - 16th European Conference on Antennas and Propagation, EuCAP 2022

Y2 - 27 March 2022 through 1 April 2022

ER -

Millimeter-Wave Quasi-Optical Feeds for Linear Array Antennas in Gap Waveguide Technology

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Keywords

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