Hello everyone.I have problems. Firstly, i try to design fbg. when i exported to optisystem from optigrating.And than simulated, result is bad.
I think I’m designing it wrong. I’m trying to figure out where the problem is. How and where to write the value of neff. I’m having problems with the refractive indexes of the core and cladding part. thank you all. Good work I wish
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