THERMOLUMINESCENCE RESPONSE OF CaF2:Mn, CaF2:Dy AND CaSO4:Tm TO PROTONS AND ALPHA-PARTICLES

Authors
  1. McGowan, S.
  2. Gravelle, R.A.
Corporate Authors
Defence Research Establishment Ottawa, Ottawa ONT (CAN)
Abstract
Proton/gamma and alpha/gamma response ratios have been measured for very fine powders of the thermoluminescent phosphors CaF2:Mn, CaF2:Dy and CaSO4:Tm. This has been done as part of an evaluation of these phosphors for use in a combined neutron/gamma thermoluminescent dosimeter which is made neutron sensitive by embedding the phosphor powder in an hydrogenous medium. The CaF2:Mn phosphor has been found to be marginally better than the other two for this purpose. Reduction in the measured proton/gamma response ratio with decreasing proton energy has been attributed primarily to relatively low response near the surfaces of the phosphor particles.
Report Number
DREO-959 —
Date of publication
15 Apr 1987
Number of Pages
20
DSTKIM No
88-00059
CANDIS No
53305
Format(s):
Hardcopy;Originator's fiche received by DSIS

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