How to change mode propagation constant of optical fiber in optisystem ?

[mai fouadParticipant]

is there any method to change propagation constant beta0 of optical fiber in optisystem ? as i know that the propagation constant(phase constant) value equals to (2*pi*refractive index / wavelength ) but i didn’t find any parameter that change propagation constant or refractive index in the optical fiber component .

[Heitor GalvaoParticipant]

Good day is so you check the “frequency domain param”

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[Heitor GalvaoParticipant]

Hope that helps
my compliments

[mai fouadParticipant]

i see that but these parameters control the dispersion in optical fiber , i asked about the linear refractive index of the fiber can be changed in this component or not !!!

+1

[Heitor GalvaoParticipant]

ok

[Damian MarekParticipant]

You can change these options by using the Measured-Index Multimode fiber component or the parabolic one. Both of these components are in the Spatial Library.

Regards