The Present Status Of Acoustical Holography

Alexander F. Metherell

doi:10.1117/12.953504

14 October 1971 The Present Status Of Acoustical Holography

Alexander F. Metherell

Proceedings Volume 0025, Developments in Holography II; (1971) https://doi.org/10.1117/12.953504
Event: Developments in Holography, 1971, Boston, United States

Abstract

The basic concept of acoustical holography is to form (and if necessary record) a hologram using coherent sound waves and to reconstruct the hologram using coherent light. There are many variations on this concept including reconstructing the hologram with a computer and Bragg diffraction imaging. During the 5 years since the first publication on acoustical holography a wide variety of applications and methods have developed. After a brief statement of some of the theory influencing the general principles, this paper discusses some of the methods which have recently developed as useful methods in practical situations. Among the methods discussed are the liquid surface levitation method and Bragg imaging method applied to nondestructive testing and biomedical imaging; including array synthesis and scanning being applied to the underwater and seismic areas.

Citation Download Citation

Alexander F. Metherell "The Present Status Of Acoustical Holography", Proc. SPIE 0025, Developments in Holography II, (14 October 1971); https://doi.org/10.1117/12.953504

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