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Polarization-independent single-layer ultra-wideband frequency-selective surface

Published online by Cambridge University Press:  28 September 2015

Ramprabhu Sivasamy ,
Balaji Moorthy ,
Malathi Kanagasabai ,
Jithila V. George ,
Livya Lawrance  and
Dinesh Babu Rajendran
Ramprabhu Sivasamy*
Affiliation:
Department of ECE, College of Engineering Guindy, Anna University, Chennai – 600025, India. Phone: +919943120420 Department of ECE, SSN College of Engineering, Kalavakkam, Chennai – 603110, India
Balaji Moorthy
Affiliation:
Department of ECE, College of Engineering Guindy, Anna University, Chennai – 600025, India. Phone: +919943120420
Malathi Kanagasabai
Affiliation:
Department of ECE, College of Engineering Guindy, Anna University, Chennai – 600025, India. Phone: +919943120420
Jithila V. George
Affiliation:
Department of ECE, College of Engineering Guindy, Anna University, Chennai – 600025, India. Phone: +919943120420
Livya Lawrance
Affiliation:
Department of ECE, College of Engineering Guindy, Anna University, Chennai – 600025, India. Phone: +919943120420
Dinesh Babu Rajendran
Affiliation:
Department of ECE, College of Engineering Guindy, Anna University, Chennai – 600025, India. Phone: +919943120420
*
Corresponding author: R. Sivasamy Email: ramprabhuece@gmail.com
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Abstract

An ultra-wideband (UWB) frequency-selective surface (FSS) exhibiting band rejection characteristic is presented in this paper. The proposed unit cell has the size of 14 × 14 mm2 which is approximately 0.18 × 0.18 λo, where λo corresponds to free space wavelength at the lower cut-off frequency. The proposed UWB FSS consists of a single-layer substrate and provides 20 dB attenuation level for a wide bandwidth of 7.53 GHz at the normal incidence. The proposed FSS is polarization independent and also provides angular-independent operation for the EM wave incidences of 15°, 30° and 45° with 11.5 dB attenuation over a wide range from 4 to 14 GHz.

Keywords

Electromagnetic CompatibilityFilters
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Issue 1 , February 2017 , pp. 93 - 97
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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References

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