Ultrasonic wave visualization using double-exposure holographic interferometry

Lucio N. Tello; Truman D. Black; Don P. Cudmore; Robert Magnusson; Ali Hafiz

doi:10.1117/12.163738

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2 December 1993 Ultrasonic wave visualization using double-exposure holographic interferometry

Lucio N. Tello, Truman D. Black, Don P. Cudmore, Robert Magnusson, Ali Hafiz

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Proceedings Volume 2005, Optical Diagnostics in Fluid and Thermal Flow; (1993) https://doi.org/10.1117/12.163738
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

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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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