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首页> 外文期刊>Applied optics >Silver halide sensitized gelatin derived from BB-640 holographic emulsion
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Silver halide sensitized gelatin derived from BB-640 holographic emulsion

机译：BB-640全息乳液衍生的卤化银敏化明胶

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摘要

Silver halide sensitized gelatin (SHSG) is one of the most interesting techniques for the production of holographic optical elements, achieving relatively high sensitivity of photographic material with a low scattering of dichromated gelatin. Here we present experimental results for SHSG derived from the novel BB-640, a red-sensitive ultra-fine-grain emulsion from Holographic Recording Technologies (Steinau, Germany). The material is characterized before recording and after processing, and information about the thickness, absorption, and refractive-index modulation of the final holograms is obtained. The influence of the developer is analyzed, and diffraction efficiencies as great as 96.2% (after allowing for reflections) with a transmission of 1% and absorption and scatter losses of 2.8% are obtained with AAC developer. Our investigations reveal that high-quality SHSG transmission holograms may be obtained with the new BB-640 plates.
机译：卤化银敏化明胶（SHSG）是生产全息光学元件最有趣的技术之一，它实现了照相材料相对较高的感光度，而重铬酸盐明胶的散射却很低。在这里，我们介绍了从新型BB-640衍生的SHSG的实验结果，BB-640是来自Holographic Recording Technologies（德国Steinau）的红色敏感超细颗粒乳液。在记录之前和处理之后对材料进行表征，并获得有关最终全息图的厚度，吸收率和折射率调制的信息。分析了显影剂的影响，使用AAC显影剂，衍射效率高达96.2％（允许反射后），透射率为1％，吸收和散射损耗为2.8％。我们的研究表明，使用新型BB-640板可获得高质量的SHSG透射全息图。

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