Dye-Induced Stabilization of Bleached Holograms

Abstract

A number of organic dyes have been found to be capable of desensitizing AgBr phase holograms against printout darkening by the light of an argon ion laser. The greatest lifetime extensions observed to date are approximately 500% and 3300% for 488 nm and 515 nm irradiation, respectively, referred to control samples produced by a bleaching process reported to give high stability. The most successful desensitizing dyes showed negligible absorption of the laser light.