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Estimation of ambient dose equivalent from environmental radiation using a 7LiF:Mg,Cu,P thermoluminescence dosemeter

C. CHERESTES1,* , M. CHERESTES1, L. M. CONSTANTINESCU2, M. V. PARASCHIVA1

Affiliation

  1. S.C. DOZIMED S.R.L, Dosimetry Lab, 407 Atomiştilor St., 077125 Măgurele, Ilfov, România
  2. University of Bucharest, Faculty of Physics, 405 Atomistilor St., 077125 Magurele, Ilfov, Romania

Abstract

This paper aims to present the characterization of the dosimetric system based on 7LiF:Mg,Cu,P dosemeter used for environmental radiation monitoring and workplace monitoring. In order to characterize this dosimetric system, the main influence quantities of the dosimetric response must be analyzed. This study presents the results for the energy dependence response of Harshaw 7LiF:Mg,Cu,P (TLD-700H) dosemeter. Calibrations were done in secondary standard laboratory condition at the Czech Metrology Institute – Inspectorate for Ionizing Radiation. The energy dependence of dosemeter response was studied by irradiating the thermoluminescent dosemeters at the same value, in terms of air kerma, at 2.00 mGy, for 11 radiation quality, from N-40 to S-Co..

Keywords

Radiation protection, Dose assessment, Thermoluminescence dosemeter, Ambient dose equivalent, Environmental radiation.

Citation

C. CHERESTES, M. CHERESTES, L. M. CONSTANTINESCU, M. V. PARASCHIVA, Estimation of ambient dose equivalent from environmental radiation using a 7LiF:Mg,Cu,P thermoluminescence dosemeter, Optoelectronics and Advanced Materials - Rapid Communications, 5, 11, November 2011, pp.1159-1161 (2011).

Submitted at: Sept. 25, 2011

Accepted at: Nov. 23, 2011