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Theoretical analysis of microstructured gradient-index lens for THz photonics using Greens function integral equation methods

机译:格林函数积分方程法对太赫兹光子学微结构梯度折射率透镜的理论分析

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The optics of a micro-structured gradient-index lens for monolithic integration with THz photoconductive antennas is studied theoretically using Greens function integral equation methods. The lens design is based on etching sub-wavelength trenches into a semiconductor surface with varying width and spacing to create a microstructured material with a graded effective refractive index.
机译:理论上,利用格林函数积分方程法研究了与太赫兹光电导天线单片集成的微结构梯度折射率透镜的光学特性。透镜设计基于将亚波长沟槽蚀刻到具有变化的宽度和间距的半导体表面中,以创建具有渐变有效折射率的微结构材料。

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