Welcome to the Piezo SHOCK Show #60. In this video, I describe what equipment is needed to visually measure ultrasonic displacement?

Well, you need a camera, optics, stages, and lighting. Watch the video to learn more about this effective way to measure ultrasonic transducer displacement. The only limitation of this method is that displacements less than 5 microns, in general, cannot be resolved. You also don't get phase information.

Watch the episode here: https://youtu.be/zdPntE-pCT0

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I've posted the video notes below: