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A Novel Metamaterial FSS-based Structure for Wideband Radome Applications

Shiv Narayan1, R M Jha1

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

Computers, Materials & Continua 2013, 37(2), 97-108. https://doi.org/10.3970/cmc.2013.037.097

Abstract

A novel metamaterial based FSS (frequency selective surfaces) structure is presented in this paper for wideband airborne radome applications. The proposed metamaterial-FSS structure consists of three layers, where a DPS (double positive sign) layer is sandwiched between a MNG (μ-negative) and ENG (ε- negative) layer, exhibits very good bandpass characteristics inside the operational band along with excellent roll-off characteristics outside the band. The EM performance analysis of the proposed structure has been carried out using transmission line transfer matrix (TLTM) method, which shows excellent bandpass characteristics over a wide frequency range. The transmission efficiency is over 95% both at normal incidence and at high incidence angles of 30°, and 60°. The frequency range extends from S- to X-band (2.5-9.9 GHz). In view of streamlined airborne radome applications, the reflection properties and insertion phase delay (IPD) are also determined at high incident angles.

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Cite This Article

S. Narayan and R. M. Jha, "A novel metamaterial fss-based structure for wideband radome applications," Computers, Materials & Continua, vol. 37, no.2, pp. 97–108, 2013.



cc 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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