RT Journal Article T1 Time-Domain Characterization of Nematic Liquid Crystals Using Additive Manufacturing Microstrip Lines. A1 Mateos-Ruiz, Pablo A1 Pérez-Escribano, Mario A1 Hernández-Escobar, Alberto A1 Abdo-Sánchez, María Elena A1 Márquez-Segura, Enrique A1 Martín-Guerrero, Teresa María A1 Camacho-Peñalosa, Carlos K1 Cristales líquidos K1 Redes de banda ancha AB This paper presents a method for effectively characterizing the dielectric permittivity of nematic liquid crystals across a broad frequency range. These materials show significant potential for reconfigurable devices operating in microwave and millimeter-wave frequencies. To achieve this goal, an additive manufacturing technique is used to create a microstrip line that can be filled with liquid that acts as its substrate. The liquid crystal (LC) is then biased to modulate its permittivity. After manufacturing, a time-gating approach is used to extract the permittivity, eliminating the need for in-fixture calibration, such as Thru-Reflect-Line (TRL). Finally, the approach is validated through simulations and experimental results, which closely align with those reported using other methods in the bibliography. PB IEEE YR 2024 FD 2024 LK https://hdl.handle.net/10630/31602 UL https://hdl.handle.net/10630/31602 LA eng NO Funding for open accesscharge: Universidad deMálaga / CBUA. This project has received funding from the MCIU/AEI/FEDER undergrants RTI2018-097098-J-I00 (Programa Estatal de I+D+i Orientada a losRetos de la Sociedad) and PID2022-141193OB-I00 (Programa Estatal paraImpulsar la Investigacion Científico-Técnica y su Transferencia), and alsoby the Regional Government under grant PY20 00452 (PAIDI 2020). Ithas also been supported by the MCIU under grant FPU20/03240 and theprogram NextGenerationEU Margarita Salas, and by the European Unionunder the program Horizon Europe Marie Skłodowska-Curie Actions withgrant 101110031.Funding for open accesscharge: Universidad deMálaga / CBUA DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 20 ene 2026