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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › Isolating data › Reply To: Isolating data

November 28, 2023 at 7:50 pm
Devika Padmakumar Nair
Ansys Employee

You can get the complex S parameters by using ports. The phase information can be found in complex S parameters.

In general, phase of a field component can be obtained by use of "angle":

 

https://support.lumerical.com/hc/en-us/articles/360034405614-angle-Script-command

for example, if you want to get the phase of Ex, you can use

phase=angle(Ex);

Usually Ex (and other field components) has dimension of 4: x,y,z,f. If it is a line monitor,

the dimension is (1,ny,1,nf) where ny=length(y), and nf=length(f).

 

You can use "pinch" to remove the singletons, eg,

phase=pinch(angle(Ex));

 

then the phase will have the dimension of (ny,nf).

 

Hope this helps.

Regards

Devika