thermoluminescent dosimetry
thermoluminescent dosimetry (thur´mōloomines´
nt dōsim´trē),
[-lo̅o̅′mines′ənt]
Etymology: Gk, thermē + L, lumen, light; Gk, dosis, something given, metron, measure
a method of measuring the ionizing radiation to which a person is exposed by means of a device that contains a radiation-sensitive crystalline material. The material stores the radiation's energy by changing structure. When the material is heated at some later time, it releases the energy as ultraviolet or visible light. The light emitted is detected by a photomultiplier tube that generates an electric signal whose magnitude reflects the amount of ionizing radiation originally received.
thermoluminescent dosimetry (thur´mōloomines´
nt dōsim´trē),n the determination of the amount of radiation to which a thermoluminescent material has been exposed. This is accomplished by heating the material in a specially designed instrument that relates the amount of luminescence emitted from the material to the amount of radiation exposure.
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