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RAD-13. Proceedings of the 7th International Symposium on Radiative Transfer
June, 2-8, 2013, Kusadasi, Turkey

DOI: 10.1615/ICHMT.2013.IntSympRadTransf


ISBN Print: 978-1-56700-280-5

ISSN Online: 2642-5629

ISSN Flash Drive: 2642-5661

Energy density above a resonant metamaterial in the GHz: an alternative to near-field thermal emission detection.

pages 301-309
DOI: 10.1615/ICHMT.2013.IntSympRadTransf.240
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ABSTRACT

This paper proposes an experiment to easily detect radiative heat transfer in the microwave range. Following an idea given by Pendry more than a decade ago [1], we show that a 3D array of tungsten 2µm radius wires with a 1 cm period makes a low cost material exhibiting a surface plasmon in the microwave range around 2.9 GHz. Such a heated material should exhibit an emission peak near the plasmon frequency well above ambient emission. Analysis of the signal detected in the near-field should also be a tool to analyze how homogenization theory applies when the distance to the material is of the order of the metamaterial period. It could also be give a model to non-local dielectric properties in the same conditions.

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