Journal
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
Volume 66, Issue 7, Pages 1620-1627Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNS.2019.2895366
Keywords
Dosimeter; floating gate dosimeter (FGDOS); ionizing radiation sensors; passive dosimeter; radiation monitoring
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In the context of achieving an efficient radiation monitoring system, while also aiming to increase the flexibility of the measurement system, the integrated digital and analog circuitries of the floating gate dosimeter (FGDOS) have been upgraded. The capability to control autonomously the recharge process and the easy access to the data allows exploiting the FGDOS in both the autonomous and passive mode. The former provides the cumulated dose measurement by a sensor coupled to a digital interface. The latter implies the reading of the dose only after the irradiation time, performing the dose detection by positioning the sensor without any supply. In this paper, the functionality and characterization of the new features of the FGDOS are demonstrated. The resolution, the dose range, and the error introduced on the measurements are discussed in detail by analyzing the results of irradiation experiments. The use of a filtering technique in different radiation environments is discussed, as well as the capability to retain the information after multiple readings and the power consumption for each configuration.
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