[LCTp5] New LC Technologies

[LCTp5-9L] Relationship between Liquid Crystal Molecular Behaviors and Dielectric Loss for Microwave Frequency Phase Shifters

*Yoichi Murakami¹, Yosei Shibata¹, Hiroyasu Sato¹, Takahiro Ishinabe¹, Qiang Chen¹, Hideo Fujikake¹ (1. Tohoku University (Japan))

Keywords:nematic liquid crystal, phase shifter, dielectric loss, radio frequency

For realization of phase shifter using liquid crystal (LC), we evaluated the relation between molecular structure of LC and dielectric loss in microwave frequency. We considered that dielectric loss can be reduced by thermal vibration suppression of LC molecules.