Investigation on Passive and Autonomous Mode Operation of Floating Gate Dosimeters

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...

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Bibliographic Details
Published inIEEE transactions on nuclear science Vol. 66; no. 7; pp. 1620 - 1627
Main Authors Brucoli, M., Cesari, J., Danzeca, S., Brugger, M., Masi, A., Pineda, A., Dusseau, L., Wrobel, F.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.07.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Subjects
Analog circuits
Calibration
Capacitors
Dosimeter
Dosimeters
Electronics
Engineering Sciences
Environmental monitoring
Error analysis
Floating
floating gate dosimeter (FGDOS)
ionizing radiation sensors
Irradiation
Linear approximation
passive dosimeter
Power consumption
Radiation
Radiation dosage
Radiation measurement
Radiation monitoring
Sensitivity
Transistors
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Summary: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.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2019.2895366