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A new concept of dosimeter with silicon photodiodes

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2 Author(s)
Slapa, Mieczyslaw ; Soltan Inst. for Nucl. Studies, Swierk, Poland ; Traczyk, M.

Silicon photodiodes were studied with respect to their applicability to personal dosimeters. A new concept of X- and γ-ray dosimeter is based on two identical photodiodes, one of which is shielded by an absorber. The dosimeter has two measuring channels: a high-energy channel, and a low-energy one. The dose is determined as a sum of energies registered in the high-energy channel, plus the weighted sum of energies registered in the other channel. The concept enables the sensitivity characteristic of the dosimeter to be made flat with ±20% accuracy within the energy range 10 keV to 1.3 MeV

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Nuclear Science, IEEE Transactions on  (Volume:43 ,  Issue: 3 )