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2 December 1993 Ultrasonic wave visualization using double-exposure holographic interferometry
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Abstract
A technique by which ultrasonic waves are visualized is described. The method uses double- exposure holographic interferometry using iron doped lithium niobate crystals as the storage medium. These photorefractive crystals are self-developing, erasable and reusable, making them attractive for interferometry applications. This paper presents results of: (1) ultrasonic field parameters determined using the holographic method such as ultrasonic wavelength, and true resonance frequency of the transducer, (2) an example of image enhancement using image-substraction by phase modulation, and (3) initial results of visualization of ultrasonic wave fronts using a Nd:YAG laser.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lucio N. Tello, Truman D. Black, Don P. Cudmore, Robert Magnusson, and Ali Hafiz "Ultrasonic wave visualization using double-exposure holographic interferometry", Proc. SPIE 2005, Optical Diagnostics in Fluid and Thermal Flow, (2 December 1993); https://doi.org/10.1117/12.163738
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