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Recording and reconstruction of holograms with the optical base plate

Recording and reconstruction of holograms with the optical base plate

Item no.: P2260300
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Principle

In contrast to normal photography a hologram can store information about the three-dimensionality of an object. To capture the three-dimensionality of an object, the film stores not only the amplitude but also the phase of the light rays. To achieve this, a coherent light beam (laser light) is split into an object and a reference beam by being passed through a beam splitter. These beams interfere in the plane of the holographic film. The hologram is reconstructed with the reference beam which was also used to record the hologram.

Benefits

  • make and see yourself a 3-D image of an object
  • grasp the essential principles of "wave front reconstruction"
  • learn about classical chemical developing of films

Tasks

  1. Record a laser light hologram and process it to get a phase hologram. Reconstruct it by verifying the virtual and the real image.
  2. Record a white light reflection hologram and process it to get a phase hologram. Laminate it for reconstruction by a white light source.

What you can learn about

  • Object beam
  • Reference beam
  • Real and virtual image
  • Phase holograms
  • Amplitude holograms
  • Interference
  • Diffraction
  • Coherence
  • Developing of film
Document     Filesize
p2260300e.pdf Experiment guide, English 477.46 KB

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