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[The parameters of image quality of a novel ultra high resolution film-screen system]
J Beutel1, D J Mickewich, S L Issler
1E. I. DuPont de Nemours and Co., Inc. Imaging Systems Research and Development Laboratory Wilmington, Delaware.
Abstract:
A film/screen system is described where the light emission of the intensifying screen is in the UV, which is more efficiently absorbed by the film, and hence print-through is virtually eliminated. In addition, because of significantly higher UV absorption within the screen, MTF is superior to conventional systems based on visible light. Thus the overall UV film/screen system has imaging efficiency and quality, as measured by the Detective Quantum Efficiency (DQE) and the Noise Equivalent Quantum Efficiency (NEQ), with superior characteristics to those of conventional systems. These imaging characteristics of the novel systems are described here and are compared with those of some conventional systems.