Diamond scintillation detector

Details Diamond scintillation detector Diamond scintillation detector

1989-12-28

1992-07-07

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

2523014F, G01T 1202

Patent

active

051285460

ABSTRACT:
The invention provides a scintillation detector for nuclear radiation which comprises a synthetic diamond having a nitrogen impurity concentration of 150 ppm or less. The detector has solvent (or oxides thereof) impurity concentrations of 1000 ppm or less, where the solvents are any of the following: Ni, Cu, Mn, Al or Cr, or combinations thereof. The detector has Fe and Co impurity concentrations of less than 10 ppm. A practical version of the detector includes an optical fibre and a photomultiplier tube, the optical fibre collecting light emitted by the diamond and channelling it to the photomultiplier tube.

REFERENCES:
patent: 2188115 (1940-01-01), Kallmann et al.
patent: 3939094 (1976-02-01), Kauffman
patent: 4465932 (1984-08-01), Burgemeister
patent: 4833328 (1989-05-01), Prins et al.
Nam et al, "Detection of Nuclear Radiation by Scintillation Counting Using Synthetic Diamond", Appl. Radiat. Isot., 40 (8), 1989 pp. 657-661.
Fallon et al., "Synthetic Diamonds Using as Pulse-counting Gamma-ray Detectors", Appl. Radiat. Isot., 41 (1), pp. 35-39, 1990.

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