| 摘要 |
Disclosed is a radiation dosimeter detection system for recording dose information about ionizing radiation which is absorbed and stored in one or more dosimeters (14) located in an environment exposed to a radiation source(s). The system includes at least one dosimeter (14) with a phosphor-doped fluoroperovskite compound that is configured to absorb radiation from the environment within which it is located. The dosimeter (14) is optically coupled to a detector (12) by an optical fibre (34d). The detector (12) has a first optical stimulation source (20a) that is operable to emit stimulating light over the optical fibre (34d) to the dosimeter (14) at a wavelength(s) in a first wavelength range, and a second optical stimulation source (20b) that is operable to emit stimulating light over the optical fibre (34d) to the dosimeter (14) at a wavelength(s) in a second wavelength range. An optical detector is configured to receive and sense light emitted from the dosimeter (14) over the optical fibre (34b) and which, in response generates light detection signals (42), represents the dose information stored in the dosimeter (14). A control system is configured to read out the dose information by processing the light detection signals (42) from the optical detector and outputting the dose information, and is operable or configured to selectively control either or both of the first or second optical stimulation sources (20a, 20b) so as to selectively read-out the dose information. |
