How to determine permittivity of copper at Microwave Frequency Regime?

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Mehdi Alipour Masoumabad

There is bunch of methods to extract permittivity of materials but I think this one is appropriate.

You'll find it in this paper.

Article Permittivity Measurements at Microwave Frequencies Using Eps...

Good luck,

A.C. Marvin

At microwave frequencies the dielectric properties of copper are overwhelmed by the conductivity to the extent that they can't readily be observed.

Abuzar Baqir

A.C. Marvin May I know, how to determine wavelength-dependent conductivity of copper?

Malcolm White

Here is an old but reliable method

https://core.ac.uk/download/pdf/4382264.pdf