Detail publikace

Design and Characterisation of an Optical Fibre Dosimeter Based on Silica Optical Fibre and Scintillation Crystal

JELÍNEK, M. ČÍP, O. LAZAR, J. MIKEL, B.

Originální název

Design and Characterisation of an Optical Fibre Dosimeter Based on Silica Optical Fibre and Scintillation Crystal

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

In nuclear power plants, particle accelerators, and other nuclear facilities, measuring the level of ionising gamma radiation is critical for the safety and management of the operation and the environment’s protection. However, in many cases, it is impossible to monitor ionising radiation directly at the required location continuously. This is typically either due to the lack of space to accommodate the entire dosimeter or in environments with high ionising radiation activity, electromagnetic radiation, and temperature, which significantly shorten electronics’ lifetime. To allow for radiation measurement in such scenarios, we designed a fibre optic dosimeter that introduces an optical fibre link to deliver the scintillation radiation between the ionising radiation sensor and the detectors. The sensors can thus be placed in space-constrained and electronically hostile locations. We used silica optical fibres that withstand high radiation doses, high temperatures, and electromagnetic interference. We use a single photon counter and a photomultiplier to detect the transmitted scintillation radiation. We have shown that selected optical fibres, combined with different scintillation materials, are suitable for measuring gamma radiation levels in hundreds of kBq. We present the architecture of the dosimeter and its experimental characterisation with several combinations of optical fibres, detectors, and scintillation crystals.

Klíčová slova

gamma radiation measurement; silica optical fibres; dosimetry; fibre sensors; ionising radiation detection

Autoři

JELÍNEK, M.; ČÍP, O.; LAZAR, J.; MIKEL, B.

Vydáno

27. 9. 2022

Nakladatel

MDPI

Místo

Basel, Switzerland

ISSN

1424-8220

Periodikum

SENSORS

Ročník

22

Číslo

19

Stát

Švýcarská konfederace

Strany od

1

Strany do

14

Strany počet

14

URL

Plný text v Digitální knihovně

BibTex

@article{BUT179338,
  author="Michal {Jelínek} and Ondřej {Číp} and Josef {Lazar} and Břetislav {Mikel}",
  title="Design and Characterisation of an Optical Fibre Dosimeter Based on Silica Optical Fibre and Scintillation Crystal",
  journal="SENSORS",
  year="2022",
  volume="22",
  number="19",
  pages="1--14",
  doi="10.3390/s22197312",
  issn="1424-8220",
  url="https://www.mdpi.com/1424-8220/22/19/7312"
}

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