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Damian Marek

Hi Shuren,

Is that synonymous with the electromagnetic stress-energy tensor? OptiFDTD will calculate the electric and magnetic fields at points and record them at user placed observation points, lines and areas. There is not an explicit option to calculate the stress-energy tensor, however it will calculate the Poynting vector, so you could put the matrix together post-simulation.

Let me know if that answers your question!