The reconstruction beam is positioned at the same angle as the illuminating beam that was used during the recording phase. Exposures lasting several seconds to several minutes, using a much lower-powered continuously operating laser, are typical.
Holography in Entertainment Industry When one thinks about holography in the entertainment industry, the movies Star Trek and Star Wars come into mind. When this beam illuminates the hologram, it is diffracted by the hologram's surface pattern.
Meenu Elizabath Jose for the approval and guidance given. This allows the scene to be viewed from a range of different angles, as if it were still present. A beam splitter and beam spreaders are also used in the recording of transmission holograms. Laser[ edit ] In laser holography, the hologram is recorded using a source of laser light, which is very pure in its color and orderly in its composition.
They are also capable of multicolour-image reproduction. Photographic plate is also known as Gabor zone plate in honour of Denis Gabor who developed the phenomenon of holography.
Holography is a technique that is used to display objects or scenes in three dimensions.