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Polarization Independent Dual-band Metamaterial Based Radar Absorbing Structure (RAS) for MillimeterWave Applications

Shiv Narayan1, Latha S.1 and R M Jha1

1 CSIR-National Aerospace Laboratories, Bangalore, 560017, India.

Computers, Materials & Continua 2014, 39(3), 217-230. https://doi.org/10.3970/cmc.2014.039.217

Abstract

The EM analysis of multi-layered metamaterial based radar absorbing structure (RAS) with dual-band characteristics in millimeter wave frequency regime has been carried out in this paper using transmission line transfer matrix (TLTM) method for TE and TM polarizations. The proposed metamaterial-based RAS exhibits dual-band characteristics at centre frequencies 120 GHz and 175 GHz with very low power reflection. It absorbs more than 90% power of incidence wave over the frequency range from 111-131 GHz at first resonance and from 164.5-185 GHz at second resonance without metal backing plate, which is desirable for stealth applications. It also showed very low (< 1.6%) transmission over the frequency of interest for both TE and TM polarizations. The proposed metamaterial-RAS has potential applications in the design of multi-band sensor systems and RCS reduction in millimeter wave frequency regime.

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APA Style
Narayan, S., Jha, L.S.A.R.M. (2014). Polarization independent dual-band metamaterial based radar absorbing structure (RAS) for millimeterwave applications. Computers, Materials & Continua, 39(3), 217-230. https://doi.org/10.3970/cmc.2014.039.217
Vancouver Style
Narayan S, Jha LSARM. Polarization independent dual-band metamaterial based radar absorbing structure (RAS) for millimeterwave applications. Comput Mater Contin. 2014;39(3):217-230 https://doi.org/10.3970/cmc.2014.039.217
IEEE Style
S. Narayan and L.S.A.R.M. Jha, “Polarization Independent Dual-band Metamaterial Based Radar Absorbing Structure (RAS) for MillimeterWave Applications,” Comput. Mater. Contin., vol. 39, no. 3, pp. 217-230, 2014. https://doi.org/10.3970/cmc.2014.039.217



cc Copyright © 2014 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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