Patent ID: 9645253
Date: 2017-05-09
CPC Classifications: G01T,G01V

Claim:
1. A detector, comprising: at least two sub-detectors, wherein the at least two sub-detectors are configured such that when the at least two sub-detectors are exposed to radiation from a radioactive isotope the at least two sub-detectors will output a corresponding at least two signals, and wherein a ratio of a pair of the at least two signals identifies two radioactive isotopes; a first additional sub-detector, wherein the first additional sub-detector comprises a first filter having a first activation foil, and wherein when the first additional sub-detector is exposed to radiation from the radioactive isotope the first additional sub-detector will output a first additional signal that indicates whether neutrons are present in the radiation from the radioactive isotope; and a processor, wherein the processor is configured to: