19 February 2018 Formate as a sensitivity enhancer of holographic emulsions
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Abstract
This paper reports experiments that confirm Belloni (2003) that pre-soaking a silver halide holographic emulsion in a dilute solution of the formate ion (HCO2-) will hypersensitize the emulsion by a factor of 5xs to 10xs, depending on the timing of development post-exposure. The quantum efficiency of the emulsion is effectively 1 in the first case. The extremely fine grain size of the holographic emulsion (Slavich PFG-01) is maintained and holographic image quality is excellent. When combined with a TEA pre-soak the expected TEA color shift is maintained.
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William R. Alschuler, "Formate as a sensitivity enhancer of holographic emulsions", Proc. SPIE 10558, Practical Holography XXXII: Displays, Materials, and Applications, 105580C (19 February 2018); doi: 10.1117/12.2286668; https://doi.org/10.1117/12.2286668
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