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Abstract

An optically-stimulated luminescent radiation dosimeter system for the ree monitoring of radiation sources is disclosed. The system includes a radiation-sensitive optically-stimulated dosimeter which utilizes a new, doped glass material disposed at a remote location for storing energy from ionizing radiation when exposed thereto and for releasing the stored energy in the form of optically-stimulated luminescent light at a first wavelength when stimulated by exposure to light energy at a stimulating second wavelength. The system further includes: an optical source for providing stimulating light energy at the stimulating second wavelength; a photodetector for measuring optically-stimulated luminescent emissions; and an optical fiber for passing the stimulating light energy from the optical source to the optically-stimulated luminescent dosimeter to stimulate the optically-stimulated luminescent dosimeter to produce optically-stimulated luminescence light from stored energy and for passing the optically-stimulated luminescence light to the optically-stimulated luminescent detector to enable the photodetector to measure any optically-stimulated luminescent emissions occurring when the optically-stimulated luminescent dosimeter is excited by the light energy at the stimulating second wavelength. Also, the dosimeter can be used for real-time monitoring by detecting the scintillations emitted by the doped glass material upon exposure to ionizing radiation.

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First Claim