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Comment on “A novel ultrathin wideband metamaterial absorber for X-band applications”

Author

Listed:
  • Saeed Ur Rahman
  • Faisal Amin
  • Afzal Ahmed
  • Wang Yi
  • Qunsheng Cao

Abstract

Recently, Ranjan et al. [A novel ultrathin wideband metamaterial absorber for X-band applications. J Electromagn Waves Appl. 2019;33:2341–2353. DOI:10.1080/09205071.2019.1681299] have designed a wideband metamaterial absorber for X-band applications. In this comment, we demonstrate that a linear reflective polarization converter is erroneously interpreted as a wideband metamaterial absorber by Ranjan et al. They have shown that the proposed structure is a metamaterial absorber due to the ignorance of cross-polarized component of the reflected wave. Furthermore, we have shown that due to anisotropic geometry and high cross-polarization of the reflected wave, the proposed design is a cross-polarization converter.

Suggested Citation

  • Saeed Ur Rahman & Faisal Amin & Afzal Ahmed & Wang Yi & Qunsheng Cao, 2020. "Comment on “A novel ultrathin wideband metamaterial absorber for X-band applications”," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 34(4), pages 462-467, March.
    • Handle: RePEc:taf:tewaxx:v:34:y:2020:i:4:p:462-467
    DOI: 10.1080/09205071.2020.1719214
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