Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1982-04-18
1984-03-13
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250367, G01T 120
Patent
active
044370075
ABSTRACT:
The present invention is a large scintillator array multiplexing apparatus and method in which individual scintillators are coupled to fluorescent optical converters that absorb the light emitted by the scintillators and emit at longer wavelengths. Loss of light is minimized by maximizing total internal reflection of the longer wavelength emissions by the use of reflectors and mirrors. The wavelength-shifted radiation is conducted to electro-optic detectors which, when activated, directly encode the location of the scintillator that has been excited by ionizing radiation. Using this method, scintillator arrays consisting of thousands of individual scintillators can be built without undue complexity or cost and the resolution of the imaging system can be enhanced beyond the range possible using prior art methods.
REFERENCES:
patent: 3308438 (1967-03-01), Spergel et al.
patent: 3717762 (1973-02-01), Grenier et al.
patent: 3812361 (1974-05-01), Prag et al.
patent: 3873838 (1975-03-01), Lee
patent: 4187427 (1980-02-01), Cusano
Edelman Robert R.
Koslow Evan E.
Howell Janice A.
Koslow Technologies Corporation
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