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Tunable, narrow-band, all-metallic microwave absorber
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10.1063/1.4757282
/content/aip/journal/apl/101/14/10.1063/1.4757282
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/14/10.1063/1.4757282
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of the experimental set-up. Inset: picture of the actual sample.

Image of FIG. 2.
FIG. 2.

Measured reflectance in dB (10log10R) vs. frequency for an incident angle ϑ = 50°. The parameters of the structure are: l = 25.4 mm, w = 100 μm, d = 3.275 mm, and g = 431 μm.

Image of FIG. 3.
FIG. 3.

Comparison between theory, numerical simulation, and experimental data. The grating parameters are reported in Fig.2.

Image of FIG. 4.
FIG. 4.

(a) Reflectance minima (linear scale) in the (ν, ϑ) plane calculated according to theory compared with the experimental results (solid circles). (b) Experimentally measured reflectance (dB) of the resonance located around 18 GHz for different incident angles.

Image of FIG. 5.
FIG. 5.

(a) Reflectance minima (linear scale) in the (ν, g) plane as calculated according to theory compared with the experimental results (solid circles). (b) Experimentally measured reflectance (dB) of the resonance located around 18 GHz for different values of the thickness of the air gap.

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/content/aip/journal/apl/101/14/10.1063/1.4757282
2012-10-04
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tunable, narrow-band, all-metallic microwave absorber
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/14/10.1063/1.4757282
10.1063/1.4757282
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