Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1988-02-09
1990-07-17
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250366, 250367, G01T 120, G01T 1172
Patent
active
049423029
ABSTRACT:
A large area nuclear detection system with high resolution includes a sensor formed of scintillating optical fibers and a remotely located detector comprising at least a pair of microchannel plate photomultiplier tubes, with the sensitive area of the sensor being many times the area of the detectors. Two linear arrays of optical fibers are arranged orthogonally to define a sensor matrix of rows and columns of fibers. Nuclear radiation from a particle at the sensor is converted to optical energy by the sensor. A microchannel PMT is connected with each array for measuring the optical energy output of the fibers thereof to determine the row and column location of the nuclear particle in accordance with the quantity of energy received from the fibers. Thus, nuclear radiation can be detected over a large area with a high degree of accuracy and resolution. A characterizing feature of the detection system is the conversion of the output of large orthogonally arranged layers of scintillator elements from a long and narrow rectangular format to a square or round output format to match the detector which typically has round or square sensitive areas of a few centimeters.
REFERENCES:
patent: 3717762 (1973-02-01), Grenier et al.
patent: 3965353 (1976-06-01), Macovski
patent: 4180736 (1979-12-01), Goodman
patent: 4280125 (1981-07-01), Kazan
patent: 4437002 (1984-03-01), Taniquchi et al.
patent: 4437007 (1984-03-01), Koslow et al.
Binns et al. "A Scintillating Optical Fiber Track Imaging Detector" Nuclear Instruments and Methods in Physics Research, vol. 4251 (1986) pp. 402-406.
Fibertek, Inc.
Hannaher Constantine
Hohauser Herman J.
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