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Pulsed X-ray Radiation Responses of Solarization-Resistant Optical Fibers

Abstract : In this work, we investigate the transient Radiation Induced Attenuation (RIA) of a particular type of optical fibers called “solarization-resistant” after an ultra-short X-ray pulse. We performed on-line RIA measurements, both at room temperature (RT) and at liquid nitrogen temperatures (LNT), to characterize the metastable defects that are quickly bleached just after the X-ray pulse. In particular, we studied the optical fibers in a large spectral range (0.7 – 3.5 eV) that allows us to follow the RIA kinetics from the NIR to the UV range. In both the investigated types of fibers, the transient RIA can be mainly explained by the generation and the post-irradiation kinetics of the self-trapped holes. Moreover, the possibility to compare the behavior at both RT and LNT gives us the possibility to better analyze the transient absorption dynamics, to follow the annealing processes of the defects induced by irradiation in these optical fibers.
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Contributor : Sylvain Girard Connect in order to contact the contributor
Submitted on : Sunday, December 23, 2018 - 1:28:58 PM
Last modification on : Sunday, June 26, 2022 - 12:10:32 PM


  • HAL Id : ujm-01964728, version 1



Vincenzo de Michele, Claude Marcandella, Diego Di Francesca, Philippe Paillet, Antonino Alessi, et al.. Pulsed X-ray Radiation Responses of Solarization-Resistant Optical Fibers. 12th Conference SiO2 and Advanced Dielectrics (SiO2 2018), Jun 2018, Bari, Italy. ⟨ujm-01964728⟩



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