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Old and modern Li

机译:李古今

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Abstract: At the end of the last century, Gabriel Lippmann was experimenting with color photography. His photographic color recording technique, Lippmann photography, produced very beautiful photographs and the fact that the colors are preserved in the early Lippmann photographs indicates something about their archival properties. Recent progress in color reflection holography has made it possible to take a new look at this one hundred year old photographic technique. Today, high-resolution panchromatic recording materials suitable for Lippmann photography are on the market. In particular, the Slavich panchromatic ultra-high- resolution silver-halide holographic materials have been investigated for modern Lippmann photography. Since the color photographs contain no dyes or pigments their archival stability may be high. In addition, a Lippmann photograph is difficult to copy which makes it a unique color photographic recording. Both of these features must attract a photographer interested in creating beautiful art photographs. It is also shown that Lippmann photographs can be made without the mercury reflector, instead by using the reflection from the gelatin-air interface. This eliminates the complications in dealing with mercury, while still maintaining the high resolution and picture quality at the expense of longer exposure times. Security application is a potential field for Lippmann photographs as well as optical filters. Another advantage is that no expensive equipment, such as lasers, is needed to explore this photographic recording technique; only a modified camera is required.!47
机译:摘要:上世纪末,加布里埃尔·利普曼(Gabriel Lippmann)尝试进行彩色摄影。他的照相彩色记录技术Lippmann摄影产生了非常漂亮的照片,而Lippmann早期照片中保留的颜色这一事实表明了它们的档案特性。彩色反射全息术的最新进展使人们有可能对这种具有一百年历史的摄影技术进行重新审视。如今,市场上已经有适合Lippmann摄影的高分辨率全色记录材料。特别是,已经针对现代Lippmann摄影研究了Slavich全色超高分辨率卤化银全息照相材料。由于彩色照片不包含染料或颜料,因此其存档稳定性可能很高。另外,李普曼照片很难复制,这使其成为独特的彩色照片记录。这两个功能都必须吸引对创建精美艺术照片感兴趣的摄影师。还显示出可以在没有汞反射镜的情况下,而是通过使用明胶-空气界面的反射来拍摄Lippmann照片。这消除了处理汞的复杂性,同时仍保持了高分辨率和图像质量,但以更长的曝光时间为代价。安全应用是Lippmann照片以及光学滤镜的潜在领域。另一个优点是,不需要昂贵的设备,例如激光器,就可以探索这种照相记录技术。 47

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