::Technological process and methods of hologram manufacturing of various types

Scheme of hologram recording PFG photoplates Laser Spatial filter (pinhole) Beam polarization Object Exposure Hologram recording Preparation of chemical solutions Hologram development Hologram drying
Introduction History of holography Physical laws Holography and artist Holography and photo Types of holograms Holography applications Holographic scenes Glossary Main
  ::Main

::PFG photoplates

Holographic photoplates differ greatly from ordinary photographic plates and films for photography. First of all, they are mostly sensitive (sensitized) to the particular spectrum of laser emission but not to the whole of white light spectrum. Secondly, resolution of holographic photoplates is very high. For example, interference pattern with T period not less than 1micron is registered on the photoplate in Denisyuk's scheme. Therefore, resolving power N=1/(T/5) of such photoplates should be not less than 5000 lines/mm. As you know resolving power of amateur photo films does not exceed 200 lines/mm.

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