A study of LiF GR-200 for radiotherapy mailed dosimetry

A study of the measurement performance of LiF GR-200 for radiotherapy mailed dosimetry is presented. The study was carried out in the practical working conditions of a mailed system where a lengthy delay between dosimeter preparation and the final readout can occur. Prompt and delayed TL measurements were employed to determine, among other characteristics, the reusability and the stability during storage at room temperature. From the results obtained it can be concluded that GR-200, although producing dose results adequate for mailed dosimetry, does not improve the performance attainable with LiF TLD-100.