A novel approach to further decrease the thickness of ultrathin perfect metamaterial absorbers

Matthew T Reiten,Li Huang,Suchitra Ramani,Shengnian Luo,Abul K Azad,Hou-Tong Chen,Dibakar R Chowdhury,Antoinette J Taylor

doi:10.1109/meta.2012.6464921

A novel approach to further decrease the thickness of ultrathin perfect metamaterial absorbers

Matthew T Reiten, Li Huang + Show 6 more

https://doi.org/10.1109/meta.2012.6464921

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Publication Date: Oct 1, 2012

Citations: 2

Affiliation: Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Harbin Institute of Technology

#Ultra Thin Metamaterial Absorbers #Thickness Of Absorbers + Show 8 more

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Abstract

This work presents a novel approach to further decrease the thickness of the ultra thin perfect metamaterial absorbers by adjusting the geometric dimensions of the resonators. Both simulational and experimental results with a typical metamaterial absorber structure show that the thickness of the absorber decreases from ~8 μm to ~4 μm by increasing the width of the cross-resonator from 10 μm to 40 μm. The results can be well explained with the interference theory which shows that the near-unity absorption is due to a destructive interference of the multiple reflections in the metamaterial absorber.

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