Towards second-harmonic generation micropatterning of glass surface

Delestre, Aurelien; Lahaye, Michel; Fargin, Evelyne; Bellec, Matthieu; Royon, Arnaud; Canioni, Lionel; Dussauze, Marc; Adamietz, Frederic; Rodriguez, Vincent
March 2010
Applied Physics Letters;3/1/2010, Vol. 96 Issue 9, p091908
Academic Journal
Thermal poling of sodium borophosphate niobium glasses, previously coated with a thin silver layer micropatterned by femtosecond laser irradiation, is demonstrated. The field-assisted ion-exchange process for fabricating planar surface in this glass substrate is analyzed. Inside the silver ablated lines obtained by femtosecond laser irradiation, we clearly observe a change in the distribution of the frozen electrostatic field that is modulated by the Ag+/Na+ ion-exchange process during the thermal poling.


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