Maune, Holger and Jost, Matthias and Reese, Roland and Polat, Ersin and Nickel, Matthias and Jakoby, Rolf (2018):
Microwave Liquid Crystal Technology.
8, In: Crystals, (9), ISSN 2073-4352, DOI: 10.3390/cryst8090355,
[Online-Edition: https://doi.org/10.3390/cryst8090355],
[Article]
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.
| Item Type: | Article |
|---|---|
| Erschienen: | 2018 |
| Creators: | Maune, Holger and Jost, Matthias and Reese, Roland and Polat, Ersin and Nickel, Matthias and Jakoby, Rolf |
| 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 |
| Divisions: | 18 Department of Electrical Engineering and Information Technology 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics |
| Date Deposited: | 16 Sep 2018 19:55 |
| DOI: | 10.3390/cryst8090355 |
| Official URL: | https://doi.org/10.3390/cryst8090355 |
| URN: | urn:nbn:de:tuda-tuprints-77798 |
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