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Related Experiment Videos

A method for determining simultaneously the dose and the elapsed time since irradiation using TLDs.

C Furetta1, J W Tuyn, F Louis

  • 1CERN, Geneva, Switzerland.

International Journal of Radiation Applications and Instrumentation. Part A, Applied Radiation and Isotopes
|January 1, 1988
PubMed
Summary

Thermoluminescent dosimeters can determine elapsed time since radiation exposure. Researchers developed a computational method using glow peak decay rates for material selection in dosimetry.

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Area of Science:

  • Radiation dosimetry
  • Materials science

Background:

  • Determining time since radiation exposure is crucial for personal and accidental dosimetry.
  • Irradiated thermoluminescent dosimeters (TLDs) hold potential for this time estimation.

Purpose of the Study:

  • To present a method for estimating elapsed time since radiation exposure using TLDs.
  • To identify suitable thermoluminescent materials for assessing both dose and time.

Main Methods:

  • A computational method was employed to estimate trap lifetimes of low-temperature glow peaks based on decay rates.
  • Experimental studies investigated decay rates concerning energy, temperature, and absorbed dose.

Main Results:

  • The computational method provides a basis for selecting TLD materials capable of measuring elapsed time.

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  • Experimental data offer insights into decay rate dependencies.

    • Conclusions:

    • TLDs can be utilized to determine the time elapsed since radiation exposure.
    • Material selection for dosimetry can be optimized for both dose and time assessment.