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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › How to interpret the electric field data › Reply To: How to interpret the electric field data

October 3, 2023 at 10:28 pm
Guilin Sun
Ansys Employee

 

U= Ex * conj(Ex) + Ey * conj(Ey) + Ez * conj(Ez)

is the Poynting vector along z axis;

 P_desired / P_simulation   *    [Ex * conj(Ex) + Ey * conj(Ey) + Ez * conj(Ez) ] 

seems reasonable. however

 abs(a_fund-mode + b_fund-mode) * P_desired / P_simulation   *    [Ex * conj(Ex) + Ey * conj(Ey) + Ez * conj(Ez) ] 

is not reasonable, since a and b are  the transmission/reflection complex coefficients and they usually do not work to be summed up and apply to power quantities.

Please check your original idea of “potential”: what exactly does it mean in math expression in physics?