A versatile scanning acoustic platform
2010
We present a versatile and highly configurable scanning acoustic platform. This platform, comprising a high frequency transducer, bespoke positioning system and temperature-regulated sample unit, enables the acoustic probing of materials over a wide range of length scales and with minimal thermal aberration. In its bare form the platform acts as a reflection-mode acoustic microscope, while optical capabilities are readily incorporated to extend its abilities to the acousto-optic domain. Here we illustrate the capabilities of the platform through its incarnation as an acoustic microscope. Operating at 55 MHz we demonstrate acoustic imaging with a lateral resolution of 25 ?m. We outline its construction, calibration and capabilities as an acoustic microscope, and discuss its wider applications.
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