Variable Temperature Broadband Microwave and Millimeter-Wave Characterization of Electrochromic (WO<sub>3</sub>/LiNbO<sub>3</sub>/NiO) Thin Films

Norooziarab, Majid; Bulja, Senad; Cahill, R.; Kopf, R. F.; Hu, Ting-Chen; Tate, A.

doi:10.1109/tmtt.2017.2766624

Cited by 3 publications

(1 citation statement)

References 25 publications

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“…Researchers around the world develop new materials which can be used for tunable devices. Recent examples are e. g. phase change materials [31,32] and electrochromic materials [33]. These have a great potential, and should be monitored consciously.…”

Section: Use Cases For Lc-based Microwave Devicesmentioning

confidence: 99%

Microwave Liquid Crystal Technology

et al. 2018

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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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Section: Use Cases For Lc-based Microwave Devicesmentioning

confidence: 99%