NDLI: Thin multilayer frequency selective surface absorber with wide absorption response

Content Provider	IEEE Xplore Digital Library
Author	Hamid, S. Karnbach, B. Shakhtour, H. Heberling, D.
Copyright Year	2015
Description	Author affiliation: Inst. of High-Freq. Technol., RWTH Aachen Univ., Aachen, Germany (Hamid, S.; Karnbach, B.; Shakhtour, H.; Heberling, D.)
Abstract	Design and characterization of a multilayer structure consisting of stacked frequency selective surfaces (FSS) combined with a patterned laminate absorber is presented. The FSS part is a higher order bandpass filter that operates in the C-band, namely from 5 GHz to 6 GHz. Its higher order response is achieved through the stacking of capacitive-inductive-capacitive layers to maintain the low-profile structure. The patterned absorber is glued on one side of the FSS so that the resulting structure is capable of absorbing signals in the X-band (receiving mode). The prototype has been fabricated using Taconic RF-35 substrates and Eccosorb SF for the FSS and absorber parts, respectively. It has a dimension of 24.5 cm × 24.5 cm with a thickness of 0.65 cm. The measurement has been done using free space method. The transmission loss in the passband is less than 1 dB and the roll-off slope is more than 65 dB/octave. The absorption band, characterized by its low reflection and transmission response (less than -10 dB), covers the range from 8.26 GHz to more than 12 GHz. These specifications make this prototype a promising candidate for a planar radome absorber application.
Starting Page	1
Ending Page	5
File Size	1382323
Page Count	5
File Format	PDF
e-ISBN	9781479989430
DOI	10.1109/LAPC.2015.7366107
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-02
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency selective surfaces Surface waves Absorption frequency selective surface Capacitance absorber Reflection Laminates Passband radome bandpass
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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