The Simulation of a Surface Plasmon Resonance Metallic Grating for Maximizing THz Sensitivity in Refractive Index Sensor Application

Table 1

The optimized grating parameters used in this study.

Parameter	Range	Optimized value
Grating period (Λ)	150–250 μm	190 μm
Grating width (W)	133–171 μm	152 μm
Filling factor (FF)	0.5–0.9	0.8
Grating depth (H)	75–115 μm	85 μm