Seminar: Liquid crystals for signal processing applications in the microwave and millimeter wave frequency ranges

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The AGH UST Academic Centre for Materials and Nanotechnology invites you to participate in the ACMiN Seminar, which will take place on October 28, 2021, at 14:00 in hybrid form: on site and on the UPEL platform.

The lecture titled “Liquid crystals for signal processing applications in the microwave and millimeter wave frequency ranges” will be given by Professor Zbigniew Celiński (Department of Physics, University of Colorado - Colorado Springs, USA).

We invite all participants to join us on site in the D-16 building (30 Kawiory Street) in auditorium 1.02A on the first floor, or use this link to participate online. 

Abstract

Liquid crystal technology has a long well-established history of applications in visible light, primarily in the display industry. In contrast, applications at lower frequencies (microwave through infrared) are less common. In this presentation, I examine non-display applications and review the use of liquid crystal materials for tunable signal processing devices operating at microwave and millimeter wave frequencies. These devices include tunable phase shifters, filters (bandpass and bandstop), antennas and antenna arrays. I will also review the typical characteristics of liquid crystals in these frequency ranges.

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