How to model the variation of fiber length due to thermal/mechanical expansion

[Thushara Gunaratne]

I want to model the delay/phase variation with the expansion of the fiber due to heat and mechanical stress. Is there a way to model this in OptiSystem?

[Mohamed A. A. Abouseif]

Hi Thushara,
I think, you can sweep the fiber length to mimic the expansion due to heat assuming the cross section is almost constant. for mechanical stree I think It is more convenient to sweep the output light polarization.
the above suggestions would be accurate if the fiber length expansion with heat in your experiment is known. And the cross section deformation as a function of mechanical stress is known as will.

Hope that helps,
thanks
Mohamed

[Author]

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