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Design and characterization of metamaterial-based dual band absorber for infrared applications

机译：基于超材料的双波段红外吸收器的设计与表征

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摘要

This work discusses a metamaterial based dual band absorber operating at mid infrared regime. The design is composed of periodic resonant pattern that mainly utilizes U-shaped and cut wire resonators as a building block for the single unit cell. The simulated results are obtained using the full electromagnetic wave simulation package CST MWS. The absorber is designed to possess two distinct absorption bands centered at 9.57 and 4 nm. The two bands are well separated with a first to second band ratio of 2.39. The sub-wavelength period size is measured to be 0.19 and 0.45 λ with respect to the first and second bands respectively. High absorption is also observed for wide range of incident angles. Samples of this design were fabricated and tested. The measured response shows two absorption peaks with better than 80 % absorption for both peaks.
机译：这项工作讨论了在超红外条件下基于超材料的双波段吸收器。该设计由周期性谐振模式组成，该模式主要利用U形和切割线谐振器作为单个单位单元的基础。使用完整的电磁波仿真程序包CST MWS获得了仿真结果。设计吸收器以拥有两个以9.57和4 nm为中心的不同吸收带。两条频带之间的间隔很好，第一频带与第二频带之比为2.39。相对于第一和第二频带，亚波长周期尺寸被测量为分别为0.19和0.45λ。对于宽范围的入射角也观察到高吸收。制作并测试了这种设计的样品。测得的响应显示两个吸收峰，两个峰的吸收率均优于80％。

著录项

  • 来源
    《Journal of Optics》 |2017年第2期|170-175|共6页
  • 作者

    Hamzeh Mahmoud Jaradat; Yassine Ait-El-Aoud; Alkim Akyurtlu;

  • 作者单位

    Department of Telecommunication Engineering, Hijjawi Faculty of Engineering, Yarmouk University, Yarmouk, Jordan;

    Department of Electrical and Computer Engineering, Center for Photonics Electromagnetics, and Nanoelectronics (CPEN), University of Massachusetts Lowell, Lowell, MA 01854, USA;

    Department of Electrical and Computer Engineering, Center for Photonics Electromagnetics, and Nanoelectronics (CPEN), University of Massachusetts Lowell, Lowell, MA 01854, USA;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Dual band absorber; Mid IR perfect absorption; Drude-Lorentz effective model; Metamaterial based absorbers;

    机译：双频吸收器中红外完美吸收;德鲁-洛伦兹有效模型;基于超材料的吸收器;

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