Improved Refractive Index-Sensing Performance of Multimode Fano-Resonance-Based Metal-Insulator-Metal Nanostructures oleh Yuan-Fong Chou Chau, Chung-Ting Chou Chao, Siti Zubaidah Binti Haji Jumat, Muhammad Raziq Rahimi Kooh, Roshan Thotagamuge, Chee Ming Lim, Hai-Pang Chiang