On 06/27/2018 10:29 AM, zigen 37 wrote:
I found the formula from _https://meep.readthedocs.io/en/latest/Materials/#conductivity-and-complex_ ,but I cannot see which one is correct. σ_D=(a/c)*(σ/ε_r)*ε_0 or σ_D=(a/c)*(σ/ε_r *ε_0)
The second formula is correct where the relative permittivity multiplies the vacuum permittivity.
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