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A Personnel Dosimeter TLD Badge Based on CaSO4
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1980
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EngineeringMeasurementBeta DoseRadiation ProtectionCalibrationInstrumentationLaboratory MedicineNuclear MedicineRadiologyHealth SciencesRadiation DetectionNondestructive TestingRadiation MonitoringCosmic RayBioinstrumentationDosimetryThermographyThermoluminescent Dosimeter BadgeCountrywide Personnel
A thermoluminescent dosimeter badge has been designed for use in a countrywide personnel monitoring program. The badge is based on CaSO4: Dy phosphorembedded Teflon TLD discs. A set of metal filters has been incorporated in the badge to compensate for the energy-dependent response of the CaSO4: Dy phosphor at low photon energies. An open-window region has been provided for estimating beta dose. The response of the badge to beta and gamma radiation, its energy and angular dependence, and its reusability in a number of repeated cycles of measurements are discussed.