报道了用来抑制光子晶体平板透镜表面反射的优化表面结构。当入射角小于48°,透镜的表面反射率可降到0.3%以下。
An optimized surface structure for suppressing the reflection from photonic crystal slab lens is reported.The reflection is reduced to below 0.3% for the incident angle less than 48 degrees.