Anyone ever make Lippmann plates?
It sounds like a difficult process of limited displayability, but it seems intriguing in that it appears to reproduce the color spectrum in its entirety rather than using any RGB approach. I'm interested in more details as to how it's done.
I did put many French, German and some English written files related to Lippmann photography online - see http://www.holowiki.com/index.php/Lippmann_Papers
It may also be worth it to shoot the author of the article an e-mail. He's somewhat known among the holography forums (HoloWiki and such), and is apparently receptive to questions.
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There's also a forum on Lippmann photography: http://holographyforum.org/phpBB2/vi...ded0a99631bd6f
This company sells the plates which Bjelkhagen used for his Lippmann plates. It looks as though purchasing the PFG-03c is fairly expensive, at least for one person. The minimum quantity looks to be 25 at 237 euros (about $320) PLUS shipping I'm sure, from russia, at 3.3 kG. Probably pretty expensive.
In addition to Slavich there are COLOURHOLOGRAPHICS, ULTIMATE and SPHERE-S that sell panchromatic sensitized holographic AgX emulsions.
Layer thickness of these emulsions may be in the 5-10um range whereas for Lippmann work you'd rather need 1-3um.
So you may be better off trying one of the traditional recipes found in these old papers (http://www.holowiki.com/index.php/Lippmann_Papers).
With the new method there is no mercury mirror involved. The reflection is from the air-film behind the emulsion.
Actually, the „new“ method has equally been introduced in the late 19th century.
But they have some developer formulas that are suppose to work and it sure would be cool.
Yes, those are colloidal developers. Shrinkage is virtually absent, since no material is lost by the development.