Process for making high efficiency phase holograms

Details Process for making high efficiency phase holograms Process for making high efficiency phase holograms

G - Physics

03

H

96/280

G03H 1/04 (2006.01) G03C 5/44 (2006.01)

Patent

CA 1246925

PROCESS FOR MAKING HIGH EFFICIENCY PHASE HOLOGRAMS Abstract of the Disclosure A method for producing a phase hologram having a high diffraction efficiency which includes treating a developed photographic material with a stop bath containing sodium sulfate, bleaching with a tanning bleach having a low pH value and fixing the bleached material in a bath containing sodium thiosulfate.

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