Hologram

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Hologram Meaning and Definition in Dictionary

Definitions from Wordnet 2.0


  • the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography

Definitions from Wiktionary


  • the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography

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Hologram Meaning and Definition in Wikipedia


Holography is a method that uses the wave character of light, which depicts an exact description that goes beyond the options of the classic photography. A hologram is a 3-dimensional (3-D) picture made from a laser. When a person looking at it moves, the hologram changes slightly with the movement to make it look as if the picture was 3-D.

Holograms are made with light that is flashed onto the scene, then something to write or draw the hologram on, almost like how {photograph|photos} are made. To make a hologram and not a photo, some of the light (a "reference beam") has to go right onto the thing that the hologram is being written on. The light has to be a laser because lasers are more accurate and have a wavelength that doesn't change, like the wavelength of other light sources like lightbulbs do. To stop other light from messing the hologram up, holograms are usually taken in the darkness.



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