[FMCp1-9]Metalens Based on Surface Relief Grating Type Photonic Crystal
*Chuan-Yu Chang1, Ying-Pin Tsai1, Fu-Li Hsiao1, Bor-Shyh Lin2(1. National Changhua University of Education (Taiwan), 2. National Yang Ming Chiao Tung University (Taiwan))
Keywords:
Surface Relief Grating,metalens,photonic
This study employs Finite Element Method (FEM) to model complex photonic crystal structures, focusing on diffraction efficiency. With periodic boundary conditions, the research optimizes silicon cylinder tilt angles and periodic lengths for improved diffraction and transmission performance.