Abstract
An intensified charge coupled device (ICCD)-scintillator system has been investigated for potential use in measuring the spatially non-uniform dose distribution around 'hot particles'. This imaging system is capable of producing real-time measurements considerably quicker than other presently available radiation dosimetry techniques and exhibits good linearity and reproducibility and relatively high spatial resolution (similar to17.5 mum). The time required for a dose evaluation is less than a hundredth that required for radiochromic dye film measurements. The non-uniformity of the system has been eliminated by applying pixel-to-pixel correction factors. The measurable dose rate range using a 110 mum thick scintillator extends from similar to2000 down to similar to6 Gy h(-1). The prototype ICCD-scintillator system has been used in evaluation of the skin dose from some high-activity nuclear fuel fragments. The results agree within a few percentage with radiochromic dye film measurements for 1 cm(2) averaging areas.
| Original language | English |
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| Pages (from-to) | 317-326 |
| Number of pages | 10 |
| Journal | Radiation Protection Dosimetry |
| Volume | 108(4) |
| Issue number | 4 |
| Publication status | Published - 1 Apr 2004 |