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Comparison of direct, rehalogenating, and solvent bleaching processes with BB-640 plates

机译：使用BB-640板比较直接，再卤化和溶剂漂白工艺

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摘要

Bleaching is one of the key processes in the production of phase holograms with fine grain silver halide emulsions. This step was widely studied for discontinued Kodak, Agfa, and Ilford emulsions, and most of those results have been optimized with small changes for presently available holographic emulsions. A study of the different bleaching techniques with BB-640 holographic emulsions is presented. Some interesting new features found are the high-diffraction efficiencies achieved with direct rehalogenating bleaching and with reversal bleaching, with higher values and better sensitivities than those of classical fixation-free rehalogenating bleaching. In particular, we have found that the highest diffraction efficiency and the lowest scattering is obtained with AAC developer and reversal bleach R-9, with diffraction efficiency values of 82%.
机译：漂白是用细粒卤化银乳剂生产相全息图的关键过程之一。对于不连续的柯达，爱克发和伊尔福德乳剂，已经对该步骤进行了广泛的研究，并且对于大多数结果，已经对现有全息照相乳剂做了很小的改动，从而对大多数结果进行了优化。提出了对BB-640全息乳剂不同漂白技术的研究。发现的一些有趣的新功能是通过直接再卤化漂白和通过逆向漂白实现的高衍射效率，比传统的无固定再卤化漂白具有更高的值和更好的灵敏度。特别是，我们发现使用AAC显影剂和可逆漂白剂R-9可获得最高的衍射效率和最低的散射，衍射效率值为82％。

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