Chong Pei Ho, Prakash Pitchappa, Yu-Sheng Lin, Chia-Yi Huang, Piotr Kropelnicki and Chengkuo Lee
We present the design, simulation, fabrication, and characterization of a continuously tunable Omega-ring terahertz The tunability of is obtained by integrating into the unit cell. Electrothermal actuation mechanism is used to provide higher tuning range, larger stroke, and enhanced repeatability. The maximum achieved tuning range for the resonant frequency is around 0.30 THz for the input power of 500 mW. This shows the potential of using electrothermally actuated based tunable design for application such as filters, absorbers, sensors, and spectral imagers.