High-efficiency X-radiation converters

Details High-efficiency X-radiation converters High-efficiency X-radiation converters

1984-08-31

1985-12-24

Hoffman, James R.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2504831, G01N 2164

Patent

active

045608822

ABSTRACT:
An apparatus for efficient X-ray conversion. A phosphorescent crystal element which is sensitive to X-radiation, is coated with a reflective substance on all its faces except one. X-rays impinging upon a single element, or on an array of said elements in which the uncoated faces contiguously form an emitting surface, cause the phosphorescence to be internally reflected by the coating and to be emitted from only the uncoated face, where it can be used to activate a photodetector.

REFERENCES:
patent: 3041456 (1962-06-01), MacLeod
patent: 3643092 (1972-02-01), Van der Feyst
patent: 3936645 (1976-02-01), Iversen

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