Efficient Waveguide Feeds for Low-Profile Submm-wave Lens Antennas

Sven van Berkel; Maria Alonso Del Pino; Cecile Jung-Kubiak; Goutam Chattopadhyay

doi:10.1109/IRMMW-THz50927.2022.9895505

Efficient Waveguide Feeds for Low-Profile Submm-wave Lens Antennas

Sven van Berkel, Maria Alonso Del Pino, Cecile Jung-Kubiak, Goutam Chattopadhyay

Tera-Hertz Sensing

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

1 Citation (Scopus)

40 Downloads (Pure)

Abstract

A small volume and low-mass THz spectroscopy instrument, integrated in a CubeSat platform, enables an accessible and low-cost pathway to earth science. Low-profile lens antennas emerge as a suitable candidate to realize a high gain, 50 dB, over a wide bandwidth, from 450 GHz to 550 GHz. To achieve a high aperture efficiency with a large numerical aperture lens, an advanced waveguide feed is required. In this work a concentric corrugated waveguide feed and multi-layer leaky-wave feed are presented and benchmarked against an open-ended circular waveguide feed. All three feeds are fabricated and will be evaluated in combination with a 7.4 cm diameter silicon lens. It is shown that the two feeds result in a 65% aperture efficiency, i.e. a 13% improvement with respect to the open-ended waveguide.

Original language	English
Title of host publication	Proceedings of the 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Publisher	IEEE
Pages	1-2
Number of pages	2
ISBN (Electronic)	978-1-7281-9427-1
ISBN (Print)	978-1-7281-9428-8
DOIs	https://doi.org/10.1109/IRMMW-THz50927.2022.9895505
Publication status	Published - 2022
Event	2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) - Hybrid event at Delft, Netherlands Duration: 28 Aug 2022 → 2 Sept 2022 Conference number: 47th https://www.irmmw-thz2022.tudelft.nl/

Conference

Conference	2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
Abbreviated title	IRMMW-THz 2022
Country/Territory	Netherlands
City	Hybrid event at Delft
Period	28/08/22 → 2/09/22
Internet address	https://www.irmmw-thz2022.tudelft.nl/

Bibliographical note

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

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Efficient_Waveguide_Feeds_for_Low-Profile_Submm-wave_Lens_AntennasFinal published version, 364 KB

Cite this

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title = "Efficient Waveguide Feeds for Low-Profile Submm-wave Lens Antennas",

abstract = "A small volume and low-mass THz spectroscopy instrument, integrated in a CubeSat platform, enables an accessible and low-cost pathway to earth science. Low-profile lens antennas emerge as a suitable candidate to realize a high gain, 50 dB, over a wide bandwidth, from 450 GHz to 550 GHz. To achieve a high aperture efficiency with a large numerical aperture lens, an advanced waveguide feed is required. In this work a concentric corrugated waveguide feed and multi-layer leaky-wave feed are presented and benchmarked against an open-ended circular waveguide feed. All three feeds are fabricated and will be evaluated in combination with a 7.4 cm diameter silicon lens. It is shown that the two feeds result in a 65% aperture efficiency, i.e. a 13% improvement with respect to the open-ended waveguide.",

author = "{van Berkel}, Sven and {Alonso Del Pino}, Maria and Cecile Jung-Kubiak and Goutam Chattopadhyay",

note = "Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.; 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), IRMMW-THz 2022 ; Conference date: 28-08-2022 Through 02-09-2022",

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doi = "10.1109/IRMMW-THz50927.2022.9895505",

language = "English",

isbn = "978-1-7281-9428-8",

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booktitle = "Proceedings of the 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)",

publisher = "IEEE",

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url = "https://www.irmmw-thz2022.tudelft.nl/",

}

van Berkel, S, Alonso Del Pino, M, Jung-Kubiak, C & Chattopadhyay, G 2022, Efficient Waveguide Feeds for Low-Profile Submm-wave Lens Antennas. in Proceedings of the 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, pp. 1-2, 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Hybrid event at Delft, Netherlands, 28/08/22. https://doi.org/10.1109/IRMMW-THz50927.2022.9895505

Efficient Waveguide Feeds for Low-Profile Submm-wave Lens Antennas. / van Berkel, Sven; Alonso Del Pino, Maria; Jung-Kubiak, Cecile et al.
Proceedings of the 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, 2022. p. 1-2.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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M3 - Conference contribution

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BT - Proceedings of the 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)

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Efficient Waveguide Feeds for Low-Profile Submm-wave Lens Antennas

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