2014 Student Research Conference:
27th Annual Student Research Conference

Imaging a Standing Sound Wave With Holographic Interferometry
Benjamin P. Groebe
Dr. Ian Lindevald, Faculty Mentor

Holographic interferometry is the process of superposing a holographic image with a real image identical except for a spatial shift on the order of a wavelength of light to produce an interference pattern. The nature of that pattern reveals information about the spatial shift allowing visualization of the vibrational shape of a structure or of a sound field. This can be done statically in time-average holography, or dynamically in real-time holography. Experimental techniques to reliably produce this effect using both methods were developed for our laboratory. Attempts to apply these methods to a standing wave of sound in a column of air have thus far been unsuccessful for reasons that will be discussed.

Keywords: Holography, Interferometry, Soundwave

Topic(s):Physics

Presentation Type: Oral Paper

Session: 401-4
Location: MG 1096
Time: 3:15

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