ACOUSTICAL HOLOGRAPHY OF NONEXISTENT WAVEFRONTS DETECTED AT A SINGLE POINT IN SPACE
- 1 July 1968
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 13 (1) , 22-24
- https://doi.org/10.1063/1.1652441
Abstract
An experiment is described in which a hologram is recorded by scanning the source and having the detector stationary. The resulting ``scanned source'' hologram is shown to be identical to the conventional ``scanned detector'' hologram. The significance of this experiment is that it demonstrates: (1) that sampled holograms of an object can be recorded at a single point in space with either a scanning source or an array of sources; (2) that the object wavefront need not actually exist in space but may be geometrically synthesized; (3) that the object may be illuminated by a changing rather than stationary wave field. The interesting possibilities which this configuration gives rise to are briefly discussed.Keywords
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