Abstract

The results of an investigation of the optical and piezoelectric properties of a Si-SiO₂-ZnO microstructure via pulsed-laser optoacoustic spectroscopy are presented. Using optoacoustic probing, the speed of an acoustic wave propagating in the zinc oxide layer was calculated to be 3.01×10³  m/s, and the acoustic wave absorption coefficient was determined to be 3.45  dB/cm. The acousto-optic constant M₂ for the ZnO film was determined to be 8.78×10⁻¹⁸  s³/g using the modified Dixon method.

© 2017 Optical Society of America

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