School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore.
Opt Lett. 2011 May 1;36(9):1713-5. doi: 10.1364/OL.36.001713.
In this paper, the optical properties of the silicon nano-cone-hole (NCH) structure array are studied. The ultimate efficiency of the optimized NCH array is enhanced by 23.11% compared to an optimized nanohole array of the same thickness. The absorptance enhancement of the NCH arrays is attributed to its lowered reflectance, more supported resonant modes, and enhanced mode interaction. The angular dependence of ultimate efficiency is also investigated.
本文研究了硅纳米锥形孔（NCH）结构阵列的光学性质。与相同厚度的优化纳米孔阵列相比，优化后的 NCH 阵列的最终效率提高了 23.11%。NCH 阵列的吸收增强归因于其更低的反射率、更多支持的共振模式和增强的模式相互作用。还研究了最终效率的角度依赖性。
