Acta Optica Sinica, Volume. 23, Issue 6, 694(2003)
Refractive Index Profiles of Two-Step Ion-Exchange Glass Power Splitter
An average method is applied to the nonlinear diffusion equation to obtain nonlinear analytical models for the index profiles of two-step ion-exchange splitters. In this way, the models obtained can predict the index profile after two-step exchanging from the first surface index profile (initial condition), which makes a fine curve with Gaussian function.
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[in Chinese], [in Chinese]. Refractive Index Profiles of Two-Step Ion-Exchange Glass Power Splitter[J]. Acta Optica Sinica, 2003, 23(6): 694