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- W2038755780 abstract "The observed higher contrast of radiographs made with rare-earth screens as compared with calcium tungstate screens is shown to be associated with the scattered component of the radiation absorbed by the screens. This is confirmed by screen absorption measurements of the primary and scattered radiation transmitted through two regions of a chest phantom. The primary/scatter absorption ratio (or contrast) is higher for the rare-earth screen, indicating lower relative response to the scattered radiation. It is also shown that, although the contrast becomes lower for the rare-earth phosphor as compared with the calcium tungstate when the scatter is reduced, the information-content in the radiation absorbed remains higher for the rare-earth screens." @default.
- W2038755780 created "2016-06-24" @default.
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- W2038755780 date "1977-12-27" @default.
- W2038755780 modified "2023-09-23" @default.
- W2038755780 title "<title>Information Content And Contrast Of Rare-Earth And Calcium Tungsten Intensifying Screens</title>" @default.
- W2038755780 doi "https://doi.org/10.1117/12.955925" @default.
- W2038755780 hasPublicationYear "1977" @default.
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