High contrast grating (HCG) is a subwavelength nanostructure which can supply high reflectance and wide reflectivity ban......

基于严格耦合波理论设计了一种以液晶为低折射率材料的Si-SiO2复合高对比光栅,该光栅适合用于实现液晶可调谐功能的垂直腔面发射半......