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How Hologrmas Work

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jesse tomlinson

on 28 April 2010

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Transcript of How Hologrmas Work

How Holograms work How Hologrmas work: A holographic image is made by a swirling, intricate pattern of intensity fringes, which are ridges and troughs that would have been burned into a photographic plate by coherent beams of light. This pattern distorts the light waves that fall onto it, changing their amplitudes and wavelengths so that they get in the way of oneanother. Why are Holograms used? Holograms are used for such things as:
Producting Packaging
Security applications
Registration of priceless artifacts
New technology aircraft and automobiles
Some leading Companies are woking on Holographic video and T.V systems

How to make a Hologram: To make a simple hologram you will need:
A lazer
A half mirror
2 full mirrors
and an object
Once you have all these objects you are ready to make a Hologram. You need to put the lazer beside a half mirror(a piece of glass that splits in two becasue of the silver) and below and beside the lazer are two pieces of normal glass. One of the beams deflects of one of the mirrors onto the photographic plate inside which the hologram will be created. The second beam passes through the other mirror and hits the same photographic plate. Finally the hologram is formed where the two beams meet.

Finally here is a video about the use of holograms in the world.
Full transcript