Journal
PHOTONIC SENSORS
Volume 11, Issue 3, Pages 298-304Publisher
SPRINGER
DOI: 10.1007/s13320-020-0580-7
Keywords
Gamma ray; electron beam; Rayleigh scattering; radiation-induced attenuation; Rayleigh scattering coefficient
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Funding
- National Natural Science Foundation of China [41527805, 61635005]
- Sichuan Youth Science and Technology Foundation [2016JQ0034]
- 111 Project [B14039]
- Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding [UEFISCDI]
- Science and Technology Commission of Shanghai Municipality, China [SKLSFO2015-01, 15220721500]
- Hisilicon Innovation Research Program (HIRP) [HO2017050001CZ]
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The experimental investigation explored the effects of gamma ray and electron beam radiation on Rayleigh scattering coefficient in single-mode fiber. Results showed that under the given radiation conditions, Rayleigh scattering coefficients changed very little, while radiation-induced attenuations (RIA) changed significantly. Simulation was also implemented to verify the measured Rayleigh scattering coefficient, including the splicing points.
The effects of gamma ray (gamma-ray) radiation and electron beam (e-beam) radiation on Rayleigh scattering coefficient in single-mode fiber are experimentally investigated. Utilizing an optical time domain reflectometry (OTDR), the power distribution curves of the irradiated fibers are obtained to retrieve the corresponding radiation-induced attenuation (RIA). Based on the backscattering power levels and the measured RIAs, the Rayleigh scattering coefficients can be characterized quantitatively for each fiber sample. Under the given radiation conditions, Rayleigh scattering coefficients have been changed very little while RIAs have been changed significantly. Furthermore, simulations have been implemented to verify the validity of the measured Rayleigh scattering coefficient, including the splicing points.
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