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Microwave Liquid Crystal Technology

Maune, Holger ; Jost, Matthias ; Reese, Roland ; Polat, Ersin ; Nickel, Matthias ; Jakoby, Rolf (2018)
Microwave Liquid Crystal Technology.
In: Crystals, 8 (9)
doi: 10.3390/cryst8090355
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

Tunable Liquid Crystal (LC)-based microwave components are of increasing interest in academia and industry. Based on these components, numerous applications can be targeted such as tunable microwave filters and beam-steering antenna systems. With the commercialization of first LC-steered antennas for Ku-band e.g., by Kymeta and Alcan Systems, LC-based microwave components left early research stages behind. With the introduction of terrestrial 5G communications systems, moving to millimeter-wave communication, these systems can benefit from the unique properties of LC in terms of material quality. In this paper, we show recent developments in millimeter wave phase shifters for antenna arrays. The limits of classical high-performance metallic rectangular waveguides are clearly identified. A new implementation with dielectric waveguides is presented and compared to classic approaches.

Typ des Eintrags: Artikel
Erschienen: 2018
Autor(en): Maune, Holger ; Jost, Matthias ; Reese, Roland ; Polat, Ersin ; Nickel, Matthias ; Jakoby, Rolf
Art des Eintrags: Bibliographie
Titel: Microwave Liquid Crystal Technology
Sprache: Englisch
Publikationsjahr: 5 September 2018
Verlag: MDPI
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Crystals
Jahrgang/Volume einer Zeitschrift: 8
(Heft-)Nummer: 9
DOI: 10.3390/cryst8090355
URL / URN: http://www.mdpi.com/2073-4352/8/9/355
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Kurzbeschreibung (Abstract):

Tunable Liquid Crystal (LC)-based microwave components are of increasing interest in academia and industry. Based on these components, numerous applications can be targeted such as tunable microwave filters and beam-steering antenna systems. With the commercialization of first LC-steered antennas for Ku-band e.g., by Kymeta and Alcan Systems, LC-based microwave components left early research stages behind. With the introduction of terrestrial 5G communications systems, moving to millimeter-wave communication, these systems can benefit from the unique properties of LC in terms of material quality. In this paper, we show recent developments in millimeter wave phase shifters for antenna arrays. The limits of classical high-performance metallic rectangular waveguides are clearly identified. A new implementation with dielectric waveguides is presented and compared to classic approaches.

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Open Access

Fachbereich(e)/-gebiet(e): 18 Fachbereich Elektrotechnik und Informationstechnik
18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Mikrowellentechnik und Photonik (IMP) > Mikrowellentechnik
18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Mikrowellentechnik und Photonik (IMP)
Hinterlegungsdatum: 06 Sep 2018 05:48
Letzte Änderung: 01 Mär 2024 10:53
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