Holography meaning

hō-lŏg'rə-fē
A method of creating a three-dimensional image of an object on film by encoding not just the intensity but also the phase information of the light striking the film.
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A method of producing a three-dimensional image of an object by recording on a photographic plate or film the pattern of interference formed by a split laser beam and then illuminating the pattern either with a laser or with ordinary light.
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A method of making three-dimensional images by splitting a laser beam into two beams and recording, as on a photographic plate, the interference patterns made when one beam passes directly from the laser to the plate and the other beam passes from the laser to the object to the plate: the image appears when the developed plate is illuminated with laser light, or in some cases with white light.
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(physics) A technique for recording, and then reconstructing, the amplitude and phase distributions of a coherent wave disturbance; used to produce three-dimensional images or holograms.
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Origin of holography

  • holo- (“whole”) +‎ -graphy
    From Wiktionary