thermoluminescent dosimeter

measurement instrument

Also known as: TLD

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In dosimeter
Thermoluminescent dosimeters are nonmetallic crystalline solids that trap electrons when exposed to ionizing radiation and can be mounted and calibrated to give a reading of radiation level. The ion-chamber dosimeter, like the thermoluminescent one, is reusable, but it is self-reading for immediate determination of exposure.
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In radiation measurement: Thermoluminescent materials
…monitoring is the use of thermoluminescent dosimeters (TLDs). This technique is based on the use of crystalline materials in which ionizing radiation creates electron-hole pairs (see below Active detectors: Semiconductor detectors). In this case, however, traps for these charges are intentionally created through the addition of a dopant (impurity) or…
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