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An ultrathin and broadband radar absorber comprising single-layer resistive frequency selective surface (FSS) is investigated in this letter. The resistive FSS layer constructed from resistive/low-conductivity treble-square loops is backed by a grounded foam material. Numerical results show that the proposed absorber can provide a 10-dB radar cross section (RCS) reduction for the conducting plate over the frequency range of 10.7-29 GHz, which is equivalent to a relative bandwidth of 92.2%. Moreover, the structure has the thickness of 2 mm (only 0.071 to 0.193 at lowest and highest frequencies, respectively). The equivalent circuit model is then used to introduce the working principles of the proposed absorber.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:11
)
Date of Publication: 2012
- Page(s):
- 748 - 751
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 12845998
- Digital Object Identifier :
- 10.1109/LAWP.2012.2206361
- Product Type:
- Journals & Magazines
- Date of Publication :
- 27 June 2012
- Date of Current Version :
- 12 July 2012
- Issue Date :
- 2012
- Sponsored by :
- IEEE Antennas and Propagation Society
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