Ultraviolet radiation dosimeter

Details Ultraviolet radiation dosimeter Ultraviolet radiation dosimeter

1978-08-29

1980-07-15

McGraw, Vincent P.

Optics: measuring and testing

Infrared and ultraviolet

356215, 250372, G01J 146

Patent

active

042125359

ABSTRACT:
A method for detecting, monitoring or measuring visible and ultraviolet radiation exposure wherein a liquid crystal element covered with a coating layer transparent to the radiation is placed in the path of the radiation to be monitored and then the shift of the spectral reflectance or transmittance of the element is measured, this shift being a measure of the radiation dosage. This shift may be measured using reference liquid crystal elements or a spectrophotometer or similar measuring devices.

REFERENCES:
patent: 2949880 (1960-08-01), Fromer
patent: 3655971 (1972-04-01), Haas et al.
patent: 3779651 (1973-12-01), Gunlock

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