pp 1–8 | Cite as

Five-Band Terahertz Perfect Absorber Based on Metal Layer–Coupled Dielectric Metamaterial

  • Yubin Zhang
  • Chunlian Cen
  • Cuiping Liang
  • Zao Yi
  • Xifang Chen
  • Yongjian Tang
  • Tao YiEmail author
  • Yougen YiEmail author
  • Wei Luo
  • Shuyuan Xiao


A five-band tunable ideal terahertz metamaterial absorber based on subwavelength range is proposed. It consists of a reflective layer, a dielectric layer, and an absorbing layer consisting of an internal closed square ring and an outer open square circle. We have found that the five absorption peaks can reach more than 97% on average. Meanwhile, in order to analyze the absorption mechanism, we studied the different structures and geometric parameters of the absorber and drew the electric field intensity diagram and surface current density diagram at different peaks. Moreover, we also studied the effect of similar opening structures based on this structure on absorption. Therefore, the designed absorber has good frequency selectivity and can be applied to terahertz imaging, detection, and so on.


Metamaterial Perfect absorber Five-band absorption COMSOL 


Funding information

The work is supported by the National Natural Science Foundation of China (NNSFC) (51606158, 11604311, 61705204, 21506257, 11847132), the Sichuan Science and Technology Program (2018GZ0521), and the Longshan Academic Talent Research Supporting program of SWUST (18lzx506).


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Joint Laboratory for Extreme Conditions Matter PropertiesSouthwest University of Science and TechnologyMianyangChina
  2. 2.Sichuan Civil-Military Integration InstituteMianyangChina
  3. 3.Research Center of Laser Fusion, China Academy of Engineering PhysicsMianyangChina
  4. 4.College of Physics and ElectronicsCentral South UniversityChangshaChina
  5. 5.The Third Xiangya HospitalCentral South UniversityChangshaChina
  6. 6.Institute for Advanced StudyNanchang UniversityNanchangChina

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