Red sensitive dichromated gelatine: investigations on the influence of some parameters on diffraction efficiency

Thomas Rimpler; Guenther K.G. Wernicke; Hartmut Gruber

doi:10.1117/12.196522

1 April 1995 Red sensitive dichromated gelatine: investigations on the influence of some parameters on diffraction efficiency

Thomas Rimpler, Guenther K.G. Wernicke, Hartmut Gruber

Author Affiliations +

Optical Engineering, Vol. 34, Issue 4, (April 1995). https://doi.org/10.1117/12.196522

Abstract

Dichromated gelatin with methylene blue is red sensitive. Tetramethylguanidine intensifies this red sensitivity. Holographic plates covered with such an emulsion were used to investigate the influence of some procedure and development parameters on the structure and diffraction efficiency of holographic gratings. The ratios and concentrations of prehardener, fixer, and sensitizing solution, as well as the pH dependence and storage time, have been investigated. The best results were obtained by a six-step development process. The optimized process needs 3 h from the first step to the final hologram grating. By adapting all investigated parameters, more than 70% diffraction efficiency was achieved. Volume effects in layers of different thickness have been investigated.

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Thomas Rimpler, Guenther K.G. Wernicke, and Hartmut Gruber "Red sensitive dichromated gelatine: investigations on the influence of some parameters on diffraction efficiency," Optical Engineering 34(4), (1 April 1995). https://doi.org/10.1117/12.196522

Published: 1 April 1995

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