The Simulation of a Surface Plasmon Resonance Metallic Grating for Maximizing THz Sensitivity in Refractive Index Sensor Application. - Sathukarn, Asmar; Jia yi, Chia; Boonruang, Sakoolkan; Horprathum, Mati; Tantiwanichapan, Khwanchai; Prasertsuk, Kiattiwut; Thanapirom, Chayut; Kusolthossakul, Woraprach; Kasamsook, Kittipong (International Journal of Optics, 2020)