一种用于TE偏振光的变厚度亚波长光栅聚焦透镜

2017 22nd Microoptics Conference (MOC) Pub Date : 2017-11-01 DOI:10.23919/MOC.2017.8244589

Min Zhang, Yongqing Huang, Wenjing Fang, Huize Fan, X. Duan, Kai Liu, X. Ren

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引用次数: 1

摘要

提出了一种基于两种不同厚度的硅亚波长光栅的TE偏振光聚焦透镜。采用有限元法对其性能进行了数值研究。在1550nm波长处，总透射率为72%，焦平面全宽半最大值(FWHM)为0.8μm。

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A thickness-varying sub-wavelength grating focusing lens for TE polarization light

A focusing lens for TE polarization light based on silicon sub-wavelength gratings using two different thicknesses is proposed. The properties are numerically studied with Finite Element Method (FEM). Total transmissivity is 72% and the full-width-half-maximum (FWHM) at focal plane is 0.8μm at a wavelength of 1550nm.

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来源期刊

2017 22nd Microoptics Conference (MOC)

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