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Microwave Liquid Crystal Technology

Maune, Holger and Jost, Matthias and Reese, Roland and Polat, Ersin and Nickel, Matthias and Jakoby, Rolf :
Microwave Liquid Crystal Technology.
In: Crystals, 8 (9) ISSN 2073-4352
[Article], (2018)

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Item Type: Article
Title: Microwave Liquid Crystal Technology
Language: English
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.

Journal or Publication Title: Crystals
Volume: 8
Number: 9
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik
Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics
Date Deposited: 11 Sep 2018 11:58
Last Modified: 12 Nov 2019 13:11
DOI: 10.3390/cryst8090355
URN: urn:nbn:de:tuda-tuprints-77798
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/7779
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