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A three-dimensional image created by holography. A hologram is created by exposing a negative image with monochromatic radiation from a laser while it is positioned in a second laser beam. The direct beam and the image scattered beam combine to form an interference pattern that is viewed as a three-dimensional image. The technique for making holograms was invented in 1947 by Dennis Gabor of Hungary, but was not widely used until after the laser was invented in 1960. Salvador Dali used holography to make works of art.

Synonyms and Related Terms

Hologramm (Deut.); hologramme (Fr.);

Resources and Citations

  • J.F.Asmus, G.Guattari, L.Lassarini, G.Musumeci, R.F.Wuecker "Holography in the Conservation of Statuary" Studies in Conservation, 18:49-63, 1973.
  • Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972
  • Encyclopedia Britannica, http://www.britannica.com Comment: "holography." Accessed 24 Jan. 2005, invented by Dennis Gabor in 1948 (but has 1947 in Gabor entry)
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998