| Issue |
EPJ Web Conf.
Volume 253, 2021
ANIMMA 2021 – Advancements in Nuclear Instrumentation Measurement Methods and their Applications
|
|
|---|---|---|
| Article Number | 06003 | |
| Number of page(s) | 4 | |
| Section | Severe Accident Monitoring | |
| DOI | https://doi.org/10.1051/epjconf/202125306003 | |
| Published online | 19 November 2021 | |
https://doi.org/10.1051/epjconf/202125306003
Long-term Transmission Characteristics of CYTOP Fiber Exposed to Gamma Radiation
1
Electromagnetism and Telecom Department, University of Mons, Belgium
2
SCK-CEN, Belgium
Published online: 19 November 2021
We investigated post-irradiation variations of the radiation induced attenuation (RIA) of polymer perfluorinated (CYTOP) optical fiber exposed to gamma radiation. The RIA measured five months after the irradiation was qualitatively similar to that measured several hours after irradiation. However, quantitatively the RIA post-irradiation evolution significantly depends on the spectral range: in the visible range, the transmission partly recovers, while in the infrared, at wavelengths above 1300 nm the RIA grows and then saturates becoming permanent. The latter feature is prospective for gamma radiation dosimetry as a permanent long-term indicator of received radiation dose.
Key words: CYTOP / perfluorinated fiber / polymer optical fiber / gamma radiation / radiation induced attenuation / fiber dosimetry
© The Authors, published by EDP Sciences, 2021
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