Detector for detecting ionizing radiation

Details Detector for detecting ionizing radiation Detector for detecting ionizing radiation

1978-07-25

1980-10-07

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

250370, 250393, 250394, 250445T, G01T 100

Patent

active

042270820

ABSTRACT:
The detector comprises at least one plate of an electrooptical material having good photoconduction properties and high absorption of X- or .gamma.-rays, preferably materials comprising bismuth oxide. The plate is placed between two electrodes connected to an electric generator through a resistor. A polarized luminous beam passes through the plate. Under the action of the radiation, the conductivity of the plate varies and produces a modification of the polarization state of the luminous beam. This modification is analysed and then detected. In this way there is obtained an indication of the radiation dose received for a given period.

REFERENCES:
patent: 3831028 (1974-08-01), Kerlman et al.
patent: 3861199 (1975-01-01), Barkhoudarian
patent: 3991313 (1976-11-01), Leschek
patent: 4028548 (1977-06-01), Scott
patent: 4149075 (1979-04-01), Drukier et al.

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