Large-Scale Procurement of Radiation Resistant Single-Mode Optical Fibers for CERN

Guillermain, Elisa; Aikawa, Kazuhiko; Kuhnhenn, J.; Ricci, Daniel; Weinand, U.

doi:10.1109/jlt.2015.2449263

Cited by 10 publications

(2 citation statements)

References 13 publications

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“…The RIAs at 1310 nm rapidly increase at the beginning, slow down, and increase rapidly again. This phenomenon is characteristic of the fluorine doped fibres and is well described in other studies [21] [22]. Fig.…”

Section: Irradiation Testsupporting

confidence: 86%

Characterization of Radiation-Resistant Multimode Optical Fibers for Large-Scale Procurement

Blanc

Achten

Alessi

et al. 2021

IEEE Trans. Nucl. Sci.

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This paper presents the results of a comprehensive characterisation of special radiation resistant multi-mode optical fibres, including complementary irradiation tests during massproduction. Radiation-induced attenuation measurements were carried out at different wavelengths and the attenuation behaviour studied when varying the dose rate. Following a preliminary qualification performed upstream the production, CERN, the European Organization for Nuclear Research, validated the procurement of 500 km of fibre for installation in the accelerator complex and experiments. A strict quality assurance plan, including quality control and irradiation tests, was implemented for monitoring the characteristics of the supplied optical fibres all along the production process. The results show resistance to radiations consistently below 60 dB/km for a total dose of 10 kGy and a dose rate of 0.2 Gy/s and stable optical performance over hundreds of fibre spools produced during a six-year period.

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Section: Irradiation Testsupporting

confidence: 86%

Characterization of Radiation-Resistant Multimode Optical Fibers for Large-Scale Procurement

Blanc

Achten

Alessi

et al. 2021

IEEE Trans. Nucl. Sci.

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“…These two F-doped fibers have pristine attenuation (before irradiation) at 1550 nm, respectively, of 0.83 dB/km and less than 0.5 dB/km. Moreover, both of them have already been demonstrated to be resistant to steady state irradiations [ 12 , 13 ] and able to be used for Brillouin, Rayleigh, or Raman based sensing up to MGy dose levels [ 14 , 15 , 16 , 17 ].…”

Section: Methodsmentioning

confidence: 99%

Extreme Radiation Sensitivity of Ultra-Low Loss Pure-Silica-Core Optical Fibers at Low Dose Levels and Infrared Wavelengths

Morana

Campanella

Vidalot

et al. 2020

Sensors

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We report here the response of a commercial ultra-low loss (ULL) single-mode (SM) pure silica core (PSC) fiber, the Vascade EX1000 fiber from Corning, associated with 0.16 dB/km losses at 1.55 µm to 40 keV X-rays at room temperature. Today, among all fiber types, the PSC or F-doped ones have been demonstrated to be the most tolerant to the radiation induced attenuation (RIA) phenomenon and are usually used to design radiation-hardened data links or fiber-based point or distributed sensors. The here investigated ULL-PSC showed, instead, surprisingly high RIA levels of ~3000 dB/km at 1310 nm and ~2000 dB/km at 1550 nm at a limited dose of 2 kGy(SiO2), exceeding the RIA measured in the P-doped SM fibers used for dosimetry for doses of ~500 Gy. Moreover, its RIA increased as a function of the dose with a saturation tendency at larger doses and quickly recovered after irradiation. Our study on the silica structure suggests that the very specific manufacturing process of the ULL-PSC fibers applied to reduce their intrinsic attenuation makes them highly vulnerable to radiations even at low doses. From the application point of view, this fiber cannot be used for data transfer or sensing in harsh environments, except as a very efficient radiation detector or beam monitor.

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Evolution of optical fibre cabling components at CERN: Performance and technology trends analysis

Shoaie

Meroli

Machado

et al. 2018

Optical Fiber Technology

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Large-Scale Procurement of Radiation Resistant Single-Mode Optical Fibers for CERN

Cited by 10 publications

References 13 publications

Characterization of Radiation-Resistant Multimode Optical Fibers for Large-Scale Procurement

Characterization of Radiation-Resistant Multimode Optical Fibers for Large-Scale Procurement

Extreme Radiation Sensitivity of Ultra-Low Loss Pure-Silica-Core Optical Fibers at Low Dose Levels and Infrared Wavelengths

Evolution of optical fibre cabling components at CERN: Performance and technology trends analysis

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