Towards on-line radiation monitoring with perfluorinated polymer optical fibers

P. Stajanca; K. Krebber

doi:10.1117/12.2256354

23 April 2017 Towards on-line radiation monitoring with perfluorinated polymer optical fibers

P. Stajanca, K. Krebber

Author Affiliations +

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103231O (2017) https://doi.org/10.1117/12.2256354
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

Sensitivity of two commercial perfluorinated (PF) polymer optical fibers (POFs) to gamma radiation was measured, compared and exploited for dosimetry purposes. Fiber radiation induced attenuation (RIA) was found to be highly wavelength dependent and pronounced towards the UV part of the spectrum. PF-POFs were shown to be highly radiation sensitive and RIA-based on-line radiation monitoring with sensitivity as high as 135 dBm^-1/kGy was demonstrated at 460 nm with co-extruded PF-POF. In addition, thanks to low inherent attenuation in the near-infrared region, possibility of distributed radiation detection with PF-POFs was demonstrated for the first time, utilizing optical time domain reflectometry.

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P. Stajanca and K. Krebber "Towards on-line radiation monitoring with perfluorinated polymer optical fibers", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103231O (23 April 2017); https://doi.org/10.1117/12.2256354

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