基于欺骗表面等离子激元极化子的Otto配置的太赫兹开关

2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2018-12-01 DOI:10.1109/ISAPE.2018.8634390

Shao-he Li, Jiu-sheng Li

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引用次数: 2

摘要

提出了一种基于奥托耦合结构和周期性金属v型槽结构的太赫兹波开关。通过改变外部温度来控制棱镜-空气-二氧化钒-金属界面反射的太赫兹波强度。通过调节外部温度，可以改变二氧化钒的折射率，从而根据几何光学反射动态控制太赫兹波反射率。数值结果进一步表明，该结构可以灵活地控制太赫兹波的传输。我们设计的消光比约为20.18dB，对太赫兹波操纵的研究具有巨大的潜力。

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Terahertz switch based on Otto configuration using spoof surface plasmon polariton

Terahertz wave switch based on Otto coupling configuration and periodic metal V-groove structure is proposed. The reflection terahertz wave intensity from the prism-air-vanadium dioxide-metal interface is controlled by via changing external temperature. By adjusting the external temperature, the refractive index of vanadium dioxide can be changed, so that the terahertz wave reflectivity according to geometrical optics reflection is dynamically controlled. The numerical results further show that the present structure can flexibly manipulate terahertz wave transmission. The extinction ratio is about 20.18dB in our design, which has enormous potential for studying terahertz wave manipulation.

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2018 12th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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