Hello Dear Researchers,
Is there any guidelines or mathematical formulas (or any reference) on how to calculate the dimensions of the unit cell for metamaterials, metasurfaces or Artificial Magnetic Conductor applied to Antennas or Filters ?
Thank you in advance for your assistance...
The size of cells should be less than 0.1 wavelength.Conference Paper Metamaterials on antenna solutions
Conference Paper Parametric Synthesis of 3D Structure of SRR Element of the M...
You can probably make the cells a little bigger than 0.1 wavelength, depending on the type of cells and application, but Vadym Slyusar is basically right. It is similar to mesh rules for electromagnetic modelling, you are replacing smooth space with discrete lumped space.
https://www.researchgate.net/post/What-are-the-criteria-that-determin-the-size-of-the-unit-cells-in-metamaterials
Generally (not always), in your research, your second goal is determining the equivalent circuit. It will tell you about the required lumped element values, which will tell you eventually the size of your unit cell.
P.S. Sometimes 1/6 and even 1/2 may be acceptable. Particularly when presenting new mini-antennas. That depends on what you want to reach.
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