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Limits for scattering resonances in azimuthally inhomogeneous nanotubes
Journal of Optics ( IF 2.1 ) Pub Date : 2021-11-25 , DOI: 10.1088/2040-8986/ac3961
Constantinos Valagiannopoulos 1 , Ari Sihvola 2
Affiliation  

Resonant electromagnetic scattering has been optimized for angularly inhomogeneous nanotubes characterized by different surface admittances along the two complementary arcs. The optimal designs are substantially more efficient compared to their best homogeneous counterparts and the spatial distribution of the scattering power reveals the nature of the sustained resonances. In this sense, the reported scattering scores constitute limits for the response of that simple class of structures and can be employed as optimized components in a wide spectrum of photonic devices from wave transformers and field sensors to electromagnetic filters and optical lenses.



中文翻译:

方位角非均匀纳米管中散射共振的限制

谐振电磁散射已针对角度不均匀的纳米管进行了优化,该纳米管的特点是沿两个互补弧具有不同的表面导纳。与最佳的同质对应物相比,最佳设计的效率要高得多,散射功率的空间分布揭示了持续共振的性质。从这个意义上说,报告的散射分数构成了该简单结构类别的响应限制,并且可以用作从波变换器和场传感器到电磁滤波器和光学透镜的广泛光子器件中的优化组件。

更新日期:2021-11-25
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