[P-CTu17] C17. Optical Sensors and Systems

[P-CTu17-10] A Terahertz Metasurface based Refractive Index Sensor

*Aruna Gandhi M S¹, NAGARAJAN NALLUSAMY², Rahul Singhal², Qian Li¹ (1. School of Electronic and Computer Engineering, Peking Univ. (China), 2. Optical Communication Lab, Department of Electrical and Electronics Engineering, BITS Pilani (India))

[Presentation Style] Online

The proposed dual-layer highly coupled patch metasurface terahertz sensor achieves a maximum sensitivity of 0.65 THz/RIU, figure-of-merit of 1.828 RIU^-1 in the sample refractive-index from 1.6-1.7, with quality factor of 6.3 for the bio-chemical applications.