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3D Hologram Technology

A hologram is a three-dimensional image formed by the interference of light beams from a laser or other coherent light source. For videos, visit http://fractal.ae/holograms/

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3D Hologram Technology

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  1. Hologram Technology

  2. What is a 3D hologram • A 3D hologram is defined as a 3D projection that exists freely in space and is visible to everyone without the need for 3D glasses

  3. To display a 3D hologram • Three things are usually required to display a 3D hologram. • A hologram projector • A 3D hologram • A real object or product

  4. History of holography • 1947Dennis Gabor developed the theory of Holography • 1960Pulsed ruby laser development • 1962White light reflection hologram • 1983Master card first credit card to use hologram • 2009Interactive holographic display • 2010Moving 3D Holograms developed

  5. The Transmission Hologram • The coherent light from the laser is split to form two beams – an object beam and a reference beam. • The light from the illuminated object and the reference beam form an interference pattern  on the film.

  6. The Transmission Hologram • This pattern –hologram contains the information about the object which can then be viewed as a three dimensional image.

  7. Viewing a Transmission Hologram • The image is captured in the  interference pattern on the film. • The image can be reconstructed for viewing by shining the coherent light of a  laser on the hologram.

  8. Viewing a Transmission Hologram • The eye is focused behind the film to see the image suspended in space which shows the unique characteristics of holographic images. • The diverged laser beam should be placed in the same orientation with respect to the film as the reference beam which was used to make the hologram.

  9. Viewing a Transmission Hologram • Then the image will be seen in the same position as the original object with respect to the film. • It is as if the light from the object was frozen in the film, and then continues to your eye when reconstructed with the laser light.

  10. Recording a hologram

  11. Reconstructing a hologram

  12. Applications • Art • Data storage • Dynamic holography • Hobbyist use • Holographic interferometry

  13. Applications • Interferometric microscopy • Sensors or biosensors • Security • Other applications

  14. See videos here :http://fractal.ae/holograms/

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