Gas dosimeter reading method and apparatus

Details Gas dosimeter reading method and apparatus Gas dosimeter reading method and apparatus

1990-09-17

1991-10-22

Fields, Carolyn E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

G01T 106

Patent

active

050598066

ABSTRACT:
A method and apparatus for reading a glass dosimeter in which a fluorescent glass element after exposure to ionizing radiation is subjected to ultraviolet light pulses so as to generate fluorescence pulses which are sampled in different sampling periods for determination of the exposure dose of the glass element by utilizing a fluorescent pulse component in a particular wavelength range. Preferably, concurrently an unexposed sample glass is subjected to the same UV light pulses and its fluorescence is subtracted from the exposure dose value in order in eliminate the base dose inherent to a particular glass for improved accuracy.

REFERENCES:
patent: 3412248 (1968-11-01), Kastner et al.
patent: 4816691 (1989-03-01), Faatz
patent: 4880986 (1989-11-01), Yamada et al.
patent: 4922115 (1990-05-01), Mawatari et al.

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