Pulsed X‐Ray Radiation Responses of Solarization‐Resistant Optical Fibers

Marco Cannas, Diego Di Francesca, Antonino Alessi, Sylvain Girard, Diego Di Francesca, Philippe Paillet, Aziz Boukenter, Youcef Ouerdane, Vincenzo De Michele, Claude Marcandella, Antonino Alessi

Risultato della ricerca: Book/Film/Article reviewpeer review

4 Citazioni (Scopus)

Abstract

The transient radiation-induced attenuation (RIA) of two different versions of pure-silica-core (PSC) multimode optical fibers (so-called “solarization-resistant” fibers) exposed to nanosecond 1 MeV X-ray pulses are investigated. On-line RIA spectra measurements at both room temperature (RT) and liquid nitrogen temperatures (LNT) in the range 1–3.5 eV are performed. Following the RIA kinetics, the properties of the metastable defects that are bleached just after the pulse are discussed. The spectral decomposition of the RIA is performed using known Gaussian bands associated to point defects absorbing in this spectral range. For both fiber types, the generation and the post-irradiation kinetics of the self-trapped holes (STHs) that are the main contributor to the transient RIA are investigated particularly. Moreover, thanks to the measurements performed at low temperatures the complex temperature dependence of the kinetics of self-trapped holes and some chlorine-related species is characterized.
Lingua originaleEnglish
pagine (da-a)1800487-1-1800487-6
Numero di pagine6
RivistaPHYSICA STATUS SOLIDI. A, APPLICATIONS AND MATERIALS SCIENCE
Volume216
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering
  • Materials Chemistry

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