Tunable spectral and spatial filters for the mid-infrared based on hyperbolic metamaterials

Kieliszczyk Marcin; Janaszek Bartosz; Tyszka-Zawadzka Anna; Szczepanski Pawel

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Tunable spectral and spatial filters for the mid-infrared based on hyperbolic metamaterials

机译：基于双曲超材料的中红外线的可调光谱和空间滤波器

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In this paper we present the possibility of shaping the reflectivity characteristics of tunable hyperbolic metamaterials (THMMs). Using the example of voltage-sensitive graphene-based structures, we demonstrate the existence of spectral and spatial functionalities of edge and narrowband filters, controlled dynamically over a 3-5 mu m spectral range, that are important for both civilian and military applications. We also demonstrate that the adoption of apodization techniques in the THMM design leads to a reduction in the sidelobe's parasitic effect in edge filters, as well as providing the means to reshape the overall reflectivity characteristics, which not only unveiled the tunable angle aperture functionality but also significantly increased the potential for tailoring optical properties of THMM nanostructures in general. (C) 2018 Optical Society of America

机译：在本文中，我们呈现了整形可调谐双曲模型（THMMS）的反射率特征的可能性。利用基于电压敏感的石墨烯的结构的示例，我们证明了边缘和窄带滤波器的光谱和空间功能的存在，在3-5亩的光谱范围内动态控制，对民用和军事应用很重要。我们还表明，在THMM设计中采用了缺口技术导致边缘过滤器中的侧瓣寄生效应的减少，以及提供重塑整体反射率特性的装置，这不仅揭示了可调谐角度孔功能，而且总体上显着增加了Thmm纳米结构的剪裁光学性质的可能性。（c）2018年光学学会

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来源
《Applied optics》 |2018年第5期|共6页
作者
Kieliszczyk Marcin; Janaszek Bartosz; Tyszka-Zawadzka Anna; Szczepanski Pawel;
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Warsaw Univ Technol Inst Microelect &

Optoelect 75 Koszykowa St PL-00662 Warsaw Poland;

Warsaw Univ Technol Inst Microelect &

Optoelect 75 Koszykowa St PL-00662 Warsaw Poland;

Warsaw Univ Technol Inst Microelect &

Optoelect 75 Koszykowa St PL-00662 Warsaw Poland;

Warsaw Univ Technol Inst Microelect &

Optoelect 75 Koszykowa St PL-00662 Warsaw Poland;

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Tunable spectral and spatial filters for the mid-infrared based on hyperbolic metamaterials

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