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UBC Theses and Dissertations

Real time liquid surface acoustical holography Pille, Peter


This thesis provides an analysis of an acoustic imaging technique using holography and the interaction of acoustic and light waves at a liquid-gas interface. Real time optical images of objects that have been transilluminated with ultrasonic waves in a liquid medium can be obtained. The liquid surface acts as a detector of the ultrasonic energy. When coherent light is reflected off the liquid surface an optical image of the object is obtained. An analysis is presented of the mechanisms involved including an analysis of the transient motion of the liquid surface.

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