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Numerical simulation of ion-exchange in glass for integrated optical components

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4 Author(s)
Guntau, M. ; Physikalisch-Astronomische Fakultat, Friedrich-Schiller-Univ. Jena, Germany ; Brauer, A. ; Karthe, W. ; Possner, T.

A numerical model based on the finite-element method for solving the nonlinear diffusion equation of ion-exchange in glasses is presented. The model is applied to the calculation of the concentration profile for a Ag+-Na+ ion-exchanged channel waveguide. The calculated concentration profile is in good agreement with a measured refractive-index profile of a waveguide fabricated with the same parameters as used in the calculations

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Lightwave Technology, Journal of  (Volume:10 ,  Issue: 3 )