Patent ID: 8183534

Claim:
A radiation dosimeter for measuring a relative dose of a predetermined radiation type within a detection region, the dosimeter comprising: a plurality of scintillating optical fibers located within the detection region that generate optical energy in response to irradiation with said predetermined radiation type; a plurality of collection optical fibers optically coupled to the scintillating optical fibers such that optical energy generated by the scintillating optical fibers is coupled into the collection optical fibers and transmitted thereby; a photo-detector to which the collection optical fibers are coupled, the photo-detector generating electrical signals indicative of optical energy transmitted by the collection optical fibers; and a phantom material within which at least one of the scintillating fibers is embedded, the phantom material comprising a plurality of modular slabs, the plurality of modular slabs including scintillating fibers therein on at least two different vertical planes.