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1 February 1991 Information retrieval from ultrasonic (acoustical) holograms by moire principle
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Abstract
Due to the wavelength difference between the insonifying object wave and the reconstructing light wave ultrasonic holography as a three-dimensional imaging technique has little if any practical value. By introducing the concept of " empty US hologram" and " complete US hologram" and combining it with moire technique attempts are made to extract nonpicture-type information from US holograms. 1 .
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pal Greguss "Information retrieval from ultrasonic (acoustical) holograms by moire principle", Proc. SPIE 1238, Three-Dimensional Holography: Science, Culture, Education, (1 February 1991); https://doi.org/10.1117/12.19378
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