LiF(Mg,Cu,P)热释光探测器测量、退火方式的确定

DETERMINATION OF MEASURING ANDANNEALING METHODS FOR LiF(Mg,Cu,P)THERMOLUMINESCENCE DETECTORS

实验研究了BR 1 0 0 0A型LiF(Mg ,Cu ,P)热释光探测器的测量和退火方式对剂量测量的影响。结果表明 ,当测量和退火方式分别在热释光探测器两个不同表面下进行时 ,其分散性将比测量和退火在同一表面下进行时增大 ,使测量精密度下降。所以在高精度要求的测量中 ,应使测量和退火面保持一致。热释光探测器受灰尘或手触摸等污染后 ,对其读出值和测量精度有一定影响 。

The influence of measuring and annealing modes to dose measurement for BR 1000A LiF(Mg,Cu,P) TLDs is studied by experiments. It shows that changing the annealing and measuring modes for TLDs will increase the dispersity of TLDs and decrease the precise. For high accuracy of measurement, the measuring and annealing of TLDs should be face fixed. The readout precisium will be somehow influenced if the TLDs are contaminated, and the influence is related to the degree of contamination.(