Dependence of the Voids-Fiber Bragg Grating Radiation Response on Temperature, Dose, and Dose Rate

The voids-fiber Bragg gratings (FBGs) are manufactured point by point by focalizing an infrared femtosecond laser in a small fraction of the core and creating a microscopic void. This makes these gratings very resistant and stable to high temperatures. However, until today, only very few tests under...

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Bibliographic Details
Published inIEEE transactions on nuclear science Vol. 65; no. 8; pp. 1619 - 1623
Main Authors Morana, A., Girard, S., Marin, E., Lancry, M., Grelin, J., Marcandella, C., Paillet, P., Boukenter, A., Ouerdane, Y.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.08.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Subjects
Bragg gratings
Dependence
Dose
dose-rate temperature
Engineering Sciences
Fiber gratings
High temperature
Infrared lasers
IR femtosecond laser
Irradiation
Optical fiber sensors
point-by-point gratings
radiation
Radiation dosage
Radiation effects
Temperature measurement
Thermal stability
voids-fiber Bragg gratings (FBGs)
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Summary:The voids-fiber Bragg gratings (FBGs) are manufactured point by point by focalizing an infrared femtosecond laser in a small fraction of the core and creating a microscopic void. This makes these gratings very resistant and stable to high temperatures. However, until today, only very few tests under radiation have been performed on these FBGs. A complete study on the radiation response of this grating technology under X-rays is here presented, highlighting the dependence of its radiation response on dose, dose rate, irradiation temperature, and preirradiation treatment.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2017.2778882