The design and fabrication of planar multiband metallodielectric frequency selective surfaces for infrared applications

In this paper, micron-scale frequency selective surfaces (FSS) are presented for the first time that exhibit multiple strong stopbands (>10dB) in the far-infrared (IR). Fractal and genetic algorithm (GA) synthesis techniques are employed in the design of single-layer, multiband IR FSS. These desi...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2006-04, Vol.54 (4), p.1265-1276
Main Authors: Bossard, J.A., Werner, D.H., Mayer, T.S., Smith, J.A., Tang, Y.U., Drupp, R.P., Ling Li
Format: Article
Language:English
Subjects:
Algorithm design and analysis
Antennas
Applied sciences
Design engineering
Dielectric loss measurement
Dielectric substrates
Diffraction, scattering, reflection
Exact sciences and technology
Fabrication
Fourier transforms
Fractal analysis
Fractals
Frequency selective surfaces
frequency selective surfaces (FSS)
Genetic algorithms
genetic algorithms (GAs)
Infrared
infrared filters
Infrared radiation
Infrared spectra
metallodielectric photonic crystals
Polyimides
Radiocommunications
Radiowave propagation
Telecommunications
Telecommunications and information theory
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Summary:In this paper, micron-scale frequency selective surfaces (FSS) are presented for the first time that exhibit multiple strong stopbands (>10dB) in the far-infrared (IR). Fractal and genetic algorithm (GA) synthesis techniques are employed in the design of single-layer, multiband IR FSS. These designs have been fabricated on thin, flexible polyimide substrates and characterized using Fourier transform infrared (FTIR) spectroscopy. Measurements show excellent agreement with predictions from a periodic method of moments (PMoM) analysis technique that takes into account metallic and dielectric losses. Additional design constraints were incorporated into the GA in order to guarantee that the synthesized FSS structures could be accurately fabricated.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2006.872583