SCIENCE CHINA Information Sciences, Volume 62 , Issue 6 : 069408(2019) https://doi.org/10.1007/s11432-018-9775-0

Near-infrared six-band polarization-independent wide-angle absorber based on metal cavity arrays filled with GaAs

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  • ReceivedOct 17, 2018
  • AcceptedJan 23, 2019
  • PublishedApr 18, 2019


There is no abstract available for this article.


This work was supported by National Natural Science Foundation of China (Grant No. 11504006), Key Scientific Research Project of Higher Education of Henan Province (Grant No. 19A140002), and Students' Innovation Fund Project of Anyang Normal University (Grant No. ASCX/2018-Z053).


Appendixes A–C.


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  • Figure 1

    (Color online) (a) Three-dimensional view of the proposed absorber composed of cross-shaped metallic cavities filled with GaAs; (b) the perspective view and (c) the cross section of the unit cell; (d) the reflection and absorption spectra of the absorber based on Au-cavity arrays. The inset shows the schematic of the absorber; (e) the reflection and absorption spectra of the proposed absorber based on Au-cavity arrays filled with GaAs.