SYMPOSIA PAPER Published: 01 January 1994
STP15137S

Reusability of CaF2:Mn Thermoluminescence Dosimeters for Photon Irradiations at High Absorbed-Dose Levels

Source

The effects of high absorbed dose on the reusability of CaF2:Mn thermoluminescence dosimeters (TLDs) are investigated to determine a recommended upper limit on absorbed dose for TLDs that are to be reused. This investigation examines degradation in the uniformity of response and changes in sensitivity of a batch of TLDs when exposed to gamma-radiation doses ranging from 1 Gy to 1000 Gy, and confirms earlier work suggesting that CaF2:Mn TLDs should not be reused in applications where cumulative absorbed doses are likely to exceed 100 Gy.

Author Information

Vehar, DW
Radiation Metrology Laboratory, Sandia National Laboratories, Albuquerque, NM
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Details
Developed by Committee: E10
Pages: 433–440
DOI: 10.1520/STP15137S
ISBN-EB: 978-0-8031-5281-6
ISBN-13: 978-0-8031-1899-7