Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981rsci...52.1143f&link_type=abstract
Review of Scientific Instruments, vol. 52, Aug. 1981, p. 1143-1147.
Astronomy and Astrophysics
Astronomy
1
Image Intensifiers, Imaging Techniques, Phosphors, Photons, X Ray Imagery, Photoelectric Emission, Radiography, Signal To Noise Ratios, X Ray Astronomy, X Ray Diffraction
Scientific paper
Photographs show the efficiency and resolution characteristics of single X-ray photons converted to optical photons in a variety of commercial X-ray phosphor screens. The recording system uses a cooled, two-stage image intensifier system with fiber optics coupling to the phosphor screen. High efficiencies in the energy range 20-100 keV with position resolution of the order 200 microns are readily achievable, although the sensitive area is presently limited. Potential applications include X-ray astronomy, high-speed X-ray diffractometry, and extremely low dose radiography.
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