A novel Y element thick-screen frequency selective surfaces with stable performance

Tang Guang-Ming; Miao Jun-Gang; Dong Jin-Ming; Hu Xiao-Qing

doi:10.7498/aps.61.118401

Abstract

Thick frequency selective surface has potential applications in the stealth curved streamlined radomes because it has advantages in broadening bandwidth and overcoming multi-layer FSS shortcoming of complex structure and low transmittance of central frequency due to the cascade. However, there are a drift of central frequency in a wide range of incident angle and an unsteadiness of polarization at big incident angle. To solve the problem, in this paper we provide a novel Y element thick FSS. The structure is analyzed using mode matching method. The bandwidth, the central frequency and its transmittance of the structure are investigated when some parameters including the incidence angle of TE and TM waves and the polarization at big incident angle are changed. The novel Y element thick FSS has better transmission properties with polarization independence and incident angle independence. The novel structure provides a valuable reference for the application in stealth curved streamlined radomes.

Keywords:

thick-screen frequency selective surface /
mode matching method /
incident angles independence /
polarization independence

Authors and contacts

1.
School of Electronic and Information Engineering, Beihang University, Beijing 100191, China

References

[1]	Munk B A 2000 Frequency Selective Surfaces Theory and Design (New York: Wiley) p28
[2]	Björn W, Sören P, Anders K 2000 J. Electromagnet. Wave. Appl. 14 1303
[3]	Fang C Y, Zhang S R, Lu J, Wang J B, Sun L C 2010 Optics and Precision Engineering 18 1278 (in Chinese) [方春易, 张树仁, 卢俊, 汪剑波, 孙连春 2010 光学精密工程 18 1278]
[4]	Fang C Y, Zhang S R, Lu J, Wang J B, Sun L C 2010 Acta Phys. Sin. 59 5023 (in Chinese) [方春易, 张树仁, 卢俊, 汪剑波, 孙连春 2010 59 5023]

Cited By

[1]	Munk B A 2000 Frequency Selective Surfaces Theory and Design (New York: Wiley) p28
[2]	Björn W, Sören P, Anders K 2000 J. Electromagnet. Wave. Appl. 14 1303
[3]	Fang C Y, Zhang S R, Lu J, Wang J B, Sun L C 2010 Optics and Precision Engineering 18 1278 (in Chinese) [方春易, 张树仁, 卢俊, 汪剑波, 孙连春 2010 光学精密工程 18 1278]
[4]	Fang C Y, Zhang S R, Lu J, Wang J B, Sun L C 2010 Acta Phys. Sin. 59 5023 (in Chinese) [方春易, 张树仁, 卢俊, 汪剑波, 孙连春 2010 59 5023]

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Catalog

Vol. 61, Issue 11 - 2012-06-05

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