Holodeveloper 602 was given to us by Hans Bjelhaugen from Lasergruppen Holovision AB, Stockholm, Sweden. It is a developer for reflection holograms in particular made using Agfa Holotest 8 E7 5HD material. The developer works well for Denisyuk type reflection holograms using both He-Ne or Krypton CW lasers or pulsed ruby lasers. The exposure depends on the laser used but is around 100 uJ/cm². HD-602 works very well giving a high signal-to-noise ratio and high diffraction efficiency. The developer is completely stable as long as Part A and Part B are not mixed, and remains stable after being mixed for several weeks. One liter of mixed developer can be used to do 100 4x5 plates. A reversal Pyrochrome Bleach is included in this kit. Chemicals will make 1 liter of three solutions.
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