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== More Information ==
* [[A Beginner's Approach to DCG Holography]] has a more detailed and complete description of the whole process.
* [[A Simple DCG Recipe]] delivers a simple, just-do-this explanation.
* [[Dichromated Gelatin Chemistry]] has pointers to several DCG-related topics.
no edit summary
Once completely dry, the DCG hologram can be quite spectacular. The diffraction efficiency can be over 90% with no noticeable grain, and the hologram itself is very bright. Unfortunately, it will not last if hologram is not sealed. Gelatin is hydroscopic, and therefore absorbs water. As water returns to the gelatin matrix, the hologram disappears. Epoxy is normal sealant.
== More Information ==
* [[A Beginner's Approach to DCG Holography]] has a more detailed and complete description of the whole process.
* [[A Simple DCG Recipe]] delivers a simple, just-do-this explanation.
* [[Dichromated Gelatin Chemistry]] has pointers to several DCG-related topics.
# http://www.pslc.ws/mactest/gel.htm
# http://www.polymerexpert.biz/PolymersandComposites.html
[[Category:DCG]]
[[Category:Beginner]]
