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Nematic Liquid Crystals for mm-Wave Reconfigurable Intelligent Surfaces: a Hardware Perspective

Join us for a deep dive into the world of Reconfigurable Intelligent Surfaces with our expert, Dr. Alejandro Jiménez Sáez, as we explore the innovative application of nematic Liquid Crystals in mm-Wave technology. The growing interest in Reconfigurable Intelligent Surfaces (RISs) for wireless communication highlights the need for practical hardware, particularly RISs using nematic Liquid Crystals (LCs). In our upcoming webinar, we will discuss the fundamental principles and historical applications of nematic LCs in microwave and mm-Wave technologies. We'll focus on planar phase shifters that use Liquid Crystal Display technology, which offer improvements in compactness, bandwidth, and response times with moderate insertion loss. We will also examine current LC-RIS examples and look ahead to future innovations. 💬 About our speaker: Alejandro Jiménez-Sáez received a master’s degree (Hons.) in telecommunications engineering from the Universitat Politècnica de València (UPV), Spain, and in electrical engineering from the Technische Universität Darmstadt, Germany, in 2017. In 2021, he received the Dr.-Ing. degree (with distinction) in electrical engineering from the TU Darmstadt and the Freunde der TU Darmstadt prize for the best dissertation in electrical engineering. He obtained the Athene Young Investigator award at TU Darmstadt and leads the Smart RF Systems based on Artificial and Functional Materials Group. His current research interests include chipless RFID, electromagnetic bandgap structures, liquid crystals, and reconfigurable intelligent surfaces.