Luxembourg Institute of Science and Technology

Aymen Mahjoub

Sebastjan Glinsek

Emmanuel Defay

Stéphanie Girod

A piezoelectric device comprising a transparent substrate; a transparent barrier layer on the substrate; a transparent piezoelectric layer on the transparent barrier layer; a transparent layer of interdigitated electrodes on the transparent piezoelectric layer; wherein the piezoelectric device further comprises a transparent dielectric layer at least on the portion of piezoelectric layer that is between successive fingers of the transparent layer of interdigitated electrodes, the transparent dielectric layer having a refractive index lower than a refractive index of the transparent layer of interdigitated electrodes and a dielectric strength superior to 3 MV/m.

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Esch-sur-Alzette, Luxembourg

Aymen Mahjoub