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Types of absorbers

Electromagnetic absorbers take many forms depending on the purpose and frequency of operation.
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Electromagnetic Material

Electromagnetic absorbers are materials which have particular electric and magnetic properties.
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Snell's law

The basic physics of operation for any planar electromagnetic absorber involves a fundamental concept defined by Snell's law.
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Polarisation

The reflection coefficient at an interface between two materials is dependent on polarisation.
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Reflectivity

To ensure that the phenomenon will be reproducible a perfect reflective support is chosen for absorbers (usually a metallic support so the transmission coefficient is null).
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