Comparison of Gamma-Radiation Induced Attenuation in Al-Doped, P-Doped and Ge-Doped Fibres for Dosimetry
| Autor: | Andrei Gusarov, T. de Schoutheete, Marc Wuilpart, A.L. Tomashuk, Patrice Mégret, Alexey Faustov, Andrei A. Fotiadi, I. O. Zolotovskiy, Leonid Liokumovich |
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| Rok vydání: | 2013 |
| Předmět: |
inorganic chemicals
Nuclear and High Energy Physics Materials science Optical fiber Dopant business.industry Attenuation Doping technology industry and agriculture Analytical chemistry Radiation induced social sciences law.invention Nuclear Energy and Engineering law Optoelectronics Dosimetry lipids (amino acids peptides and proteins) Irradiation Electrical and Electronic Engineering business Absorption (electromagnetic radiation) human activities |
| Zdroj: | IEEE Transactions on Nuclear Science. 60:2511-2517 |
| ISSN: | 1558-1578 0018-9499 |
| DOI: | 10.1109/tns.2013.2273273 |
| Popis: | We have investigated radiation induced absorption in Al-doped, P-doped and Ge-doped optical fibres under 60Co source gamma-radiation up to a total dose of 71 kGy at two temperatures 30 and 80 °C. The Al-doped and P-doped fibres demonstrated high radiation sensitivity required for the optical fibre dosimetry. The RIA response to temperature increase from 30 to 80 °C depended on the dopant. In Al-doped fibres the absorption level decreased by 25% whereas in P-doped fibres it increased by at least 10%. For comparison we also tested standard telecom-grade Ge-doped fibres. Such fibres demonstrated a monotonous rise of the RIA during the whole irradiation with a small decrease of sensitivity at the higher temperature. |
| Databáze: | OpenAIRE |
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