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Optical vibration detection spectral analysis assembly and method for detecting vibration in an object of interest

United States Patent

5,827,971
October 27, 1998
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
Acoustic Imaging Suite
A vibration detection assembly is described which includes an emitter of light which has object and reference beams, the object beam reflected off of a vibrating object of interest; and a photorefractive substance having a given response time and which passes the reflected object beam and the reference beam, the reference beam and the object beam interfering within the photorefractive substance to create a space charge field which develops within the response time of the photorefractive substance.
Hale; Thomas C. (Los Alamos, NM), Telschow; Kenneth L. (Idaho Falls, ID)
Lockheed Martin Idaho Technologies Company (Idaho Falls, ID)
08/ 787,073
January 22, 1997
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Contract No. DE-AC07-94ID13223 between Lockheed Martin Idaho Technologies Company and The United States Department of Energy.