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Apparatus for Reading a Hologram

  • US 20080068687A1
  • Filed: 12/15/2005
  • Published: 03/20/2008
  • Est. Priority Date: 12/15/2004
  • Status: Active Grant
First Claim
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1. An apparatus for reading a hologram (9), in particular a computer-generated hologram (9), having a radiation source for irradiation of the hologram (9) with a read beam (10) composed of electromagnetic radiation, and having an outlet opening (2) for recording an image which is produced from the hologram (9), wherein optics which have at least two lenses (12, 16) are provided, in which a focal point of the first lens (12) and a focal point of the second lens (16) are each arranged essentially on one plane, and in which the hologram (9) is arranged at least in front of the second lens (16), viewed in the beam direction.

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