Holograms
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Information @ a Glance

General

  • Holography is the science of producing holograms.
  • A hologram is an advanced form of photography that allows an image to be recorded in three dimensions.
  • Holograms have a unique feature, known as "parallax" , according to which a viewer observes the virtual object from different perspectives in full three-dimensional.

Process

  • A hologram can capture a 3-D image so lifelike that you can look around the image of the apple to an orange in the background
  • Holograms are classified into different types with reference to the degree of level of optical security incorporated in them during the process of master origination.
  • The reflection or Denisyuk hologram, is capable of multicolour image reproduction using a white light illumination source on the same side of the hologram as the viewer.

Making

  • It doesn't take very many tools to make a hologram. You can make one with laser, Lenses, beam splitter, Mirrors, Holographic film.
  • The first step to making hologram is setting up an optical table. This is simply a device to neutralize as many vibrations as possible.
  • When making a hologram even the smallest vibrations (100ths of a millimeter) can cause your image to get ruined.
  • It is often necessary in optical experiments to produce computer-generated holograms (CGHs) of reasonable quality for the purpose of routing light. Such holograms are often created using a pressing process that is not normally done in-house and is very expensive for small runs.

Application & Technology

  • Holograms also have the advantages of providing security, brand protection and enhancement and preventing fraudulent practices.
  • Currently the holograms have come a long way from the sticker, it can be designed to be applied in whatever way the customer wants.
  • Recent improvements in hologram recording techniques shows a strong promise for holography to emerge as a powerful tool for medical applications.
  • The technique employed to make three-dimensional images is known as holography.

Market

  • According to an estimate, there are about 300 companies worldwide making up this sector of holograph. The market comprises large international, national, and regional companies and even individuals.
  • Hologram sales of divisions of privately owned companies had average sales of $19.5 million and larger public companies had sales of $17 million annually.
  • This Hologram comprises the key market sectors of brand protection, packaging, security print, retail and promotion and illustration, as well as equipment sales and installations related to these.
  • The hologram market in India has been growing at about 55-60 per cent per annum over the last couple of years.

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