Photographic Image Enhancement Using Chemiluminescent and Fluorescent Light.

摘要

The goal of this research program was to develop methods analogous to autoradiographic photographic image enhancement in which light instead of nuclear radiation is emitted from the photographic image. These methods would allow images to be intensified without the inconvenience and limitations that result from the currently required radionuclides. Fluorescence and chemiluminescence methods suitable for photographic image enhancement have been investigated, and the feasibility of both approaches has been demonstrated. Fluorescent images were obtained by chemically reacting uv-fluorescent dyes with silver bromide or silver iodide bleached images. Fluorescence quenching after reaction has been solved by transfer of the dye image to pretreated plastic. Chemiluminescent images were obtained by copper (II) catalyzed oxidation of luminol at or near the site of the original image silver grain. The original negative was either toned to copper sulfide or physically developed to deposit a thin layer of metallic copper on the image silver grains.