hologram

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Related to Holograms: holography

hologram

a photographic record produced by illuminating the object with coherent light (as from a laser) and, without using lenses, exposing a film to light reflected from this object and to a direct beam of coherent light. When interference patterns on the film are illuminated by the coherent light a three-dimensional image is produced

hologram

[′häl·ə‚gram]
(optics)
The special photographic plate used in holography; when this negative is developed and illuminated from behind by a coherent gas-laser beam, it produces a three-dimensional image in space. Also known as hologram interferometer.
References in periodicals archive ?
The images and effects are sharper and brighter, the placement of holograms is now registered to the printing in the banknote.
A general or a politician or a head of corporate can project themselves physically in a life-size projection that is completely believable at a matter of a few feet," said Alki David, who heads up Hologram USA.
htm) Tupac Shakur appeared onstage as a hologram to "perform" alongside Dr Dre and Snoop Dogg's 2012 headline Coachella slot .
The operation of the new plant augments the cutting-edge control system required for the manufacture of future-minded security products, and at the same time allows for scalability in response to the globally expanding use of holograms on social infrastructure-related products such as bank notes, passports, driving licenses, and social security cards.
According to Edhouse, real holograms are recorded by laser on holographic film and the really exciting advances are hologram TVs, which are being developed at the Massachusetts Institute of Technology in the US.
Since establishing a mass production system of Lippmann holograms for security uses in 2001, DNP has forged ahead with the market development of it.
Despite what people think about their usefulness as a crime deterrent, however, holograms are still alive, and very much in use as security devices on packages and labels.
You probably have seen holograms on stickers, watches, key chains, and even swim goggles.
The custom holograms make the look distinctive," says Fishman.