What is it about?
This paper undertakes the study of different multilayer structures that can be fabricated for realizing an acousto-optic device, the objective being to obtain a high acousto-optic figure of merit.
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Why is it important?
The study is conducted to find the optimal normalised thickness of the multilayer structures with a material possessing the best optical and piezoelectric properties for fabricating acousto-optic devices. Based on limulations and studies of SAW propagation characteristics such as the electromechanical coupling coefficient (k2) and phase velocity (v), the acousto-optic figure of merit is calculated.
Perspectives
The suggested SAW device has potential application in wearable and small footprint acousto-optic devices and gives better results than those made with bulk piezoelectric materials.
Prof. Goran Stojanovic
Univerzitet u Novom Sadu
Read the Original
This page is a summary of: FEM Analysis of Various Multilayer Structures for CMOS Compatible Wearable Acousto-Optic Devices, Sensors, November 2021, MDPI AG,
DOI: 10.3390/s21237863.
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