References
- Jakoby R, Gaebler A, Weickhmann C. Microwave liquid crystal enabling technology for electronically steerable antennas in satcom and 5G millimeter-wave systems. Crystals. 2020;10(6):514.
- Li JF. Challenges and opportunities for nematic liquid crystals in radio frequency and beyond. Crystals. 2022;12(5):632.
- Yang JG, Yang K. Ka-band 5-bit MMIC phase shifter using InGaAs PIN switching diodes. IEEE Microw Wirel Compon Lett. 2011;21(3):151–153.
- Kim HT, Park JH, Lee S, et al. V-band 2-b and 4-b low-loss and low-voltage distributed MEMS digital phase shifter using metal-air-metal capacitors. IEEE Trans Microw Theory Tech. 2002;50(12):2918–2923.
- Nafe A, Shamim A. An integrable SIW phase shifter in a partially magnetized ferrite LTCC package. IEEE Trans Microw Theory Tech. 2015;63(7):2264–2274.
- Li JF, Chu DP. Liquid crystal-based enclosed coplanar waveguide phase shifter for 54–66 GHz applications. Crystals. 2019;9(12):650.
- Zou J, Yang Q, Hsiang EL, et al. Fast-response liquid crystal for spatial light modulator and LiDAR applications. Crystals. 2021;11(2):93.
- Wolinski TR, Czapla A, Ertman S, et al. Photonic liquid crystal fibers for sensing applications. IEEE Trans Instrum Meas. 2008;57(8):1796–1802.
- Polat E, Tesmer H, Reese R, et al. Reconfigurable millimeter-wave components based on liquid crystal technology for smart applications. Crystals. 2020;10(5):1–39.
- Wang SH, Li Z, Chen XX, et al. A liquid crystal leaky-wave antenna with fixed-frequency beam scanning and open-stop-band suppression. Liq Cryst. 2022;49(11):1403–1410.
- Tesmer H, Razzouk R, Polat E, et al. Temperature characterization of liquid crystal dielectric image line phase shifter for millimeter-wave applications. Crystals. 2021;11(1):63.
- Sun SY. Electronically tunable liquid-crystal-based F-band phase shifter. IEEE Access. 2020;8:151065–151071.
- Yang J, Cai C, Yin Z, et al. Reflective liquid crystal terahertz phase shifter with tuning range of over 360 degrees. IET Microw Antenna Propag. 2018;12(9):1466–1469.
- Li X, Wan Y, Liu J, et al. Broadband electronically scanned reflectarray antenna with liquid crystals. IEEE Antennas Wirel Propag Lett. 2021;20(3):396–406.
- Tesmer H, Gold G, Bachbauer F, et al. Feasibility of additively manufactured tunable liquid crystal loaded dielectric waveguides. IEEE Microw Wirel Compon Lett. 2021;31(8):973–976.
- Lang TN, Bui VB, Inoue Y, et al. Response improvement of liquid crystal-loaded NRD waveguide type terahertz variable phase shifter. Crystals. 2020;10(4):307.
- Polat E, Reese R, Tesmer H, et al. Fully dielectric phased array for beamsteering using liquid crystal technology at w-band. Proceedings of the 2020 14th European Conference on Antennas and Propagation (EuCAP); 2020 Mar 15–20; Copenhagen, Denmark.
- Karabey OH, Gaebler A, Strunck S, et al. A 2-D electronically steered phased-array antenna with 2×2 elements in LC display technology. IEEE Trans Microw Theory Tech. 2012;6(5):1297–1306.
- Jost M. Liquid crystal mixed beam-switching and beam-steering network in hybrid metallic and dielectric waveguide technology [ dissertation]. Darmstadt: TU Darmstadt; 2018.
- Carr EF, Spence RD. Influence of a magnetic field on the microwave dielectric constant of a liquid crystal. J Chem Phys. 1954;22(9):1481–1486.
- Mueller S, Penirschke A, Damm C, et al. Broad-band microwave characterization of liquid crystals using a temperature-controlled coaxial transmission line. IEEE Trans Microw Theory Tech. 2005;53(6):1937–1945.
- Bulja S, Mirshekar D, James R, et al. Measurement of dielectric properties of nematic liquid crystals at millimeter wavelength. IEEE Trans Microw Theory Tech. 2010;58(12):3493–3501.
- Peng HF, Zhang YW, Zhu SL, et al. Determining dielectric properties of nematic liquid crystals at microwave frequencies using inverted microstrip lines. Liq Cryst. 2022;49(15):2069–2081.
- Sánchez JR, Nova V, Bachiller C, et al. Characterization of nematic liquid crystal at microwave frequencies using split-cylinder resonator method. IEEE Trans Microw Theory Tech. 2019;67(7):2812–2820.
- Gao C, Li E, Zhang Y, et al. Permittivity measurement of the dielectric material at the off-axis position in a cylindrical cavity. IEEE Trans Microw Theory Tech. 2021;69(3):1711–1722.
- Yazdanpanahi M, Bulja S, Mirshekar-Syahkal D, et al. Measurement of dielectric constants of nematic liquid crystals at mm-wave frequencies using patch resonator. IEEE Trans Instrum Meas. 2010;59(12):3079–3085.
- Schaub DE, Oliver DR. A circular patch resonator for the measurement of microwave permittivity of nematic liquid crystal. IEEE Trans Microw Theory Tech. 2011;59(7):1855–1862.
- Utsumi Y, Kamei T. Dielectric permittivity of liquid crystal in the microwave and millimetre range. Mol Cryst Liq Cryst. 2004;409(1):355–370.
- Balanis CA. Antenna theory analysis and design. 4th ed. New Jersey (NJ): John Wiley & Sons; 2016.
- Shen L, Long S, Allerding M, et al. Resonant frequency of a circular disc, printed-circuit antenna. IEEE Trans Antennas Propag. 1977;25(4):595–596.
- Chen LF, Ong CK, Neo CP . Microwave electronics: measurement and materials characterization. New York (NY): John Wiley & Sons; 2004 .
- Aihara S, Araki T, Ashida M, et al. Measurement of materials dielectric properties . In: Czichos H, Saito T, Smith L, editors. Springer handbook of material measurement method. New York (NY): Springer; 2006. p. 472–481.
- Nobles JE, Melnyk O, Glushchenko A, et al. Effect of alignment methods on liquid crystal performance in millimeter wave devices. Eng Res Exp. 2020;2(2):025002.