Study of the radiation-induced optical sensitivity in erbium and aluminium doped fibres

  • Brichard B
  • Femandez A
  • Ooms H
 et al. 
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Abstract

Special fibres with different concentrations of erbium. and aluminium have been fabricated and gamma irradiated. Effect of the erbium content, temperature and dose rate are studied. Recommendations for the radiation testing of erbium-doped fibres is provided. In certain conditions, the normalised radiation-induced absorption can reach values as high as 0.5 dB/(m krad) at 980 run.

Author-supplied keywords

  • EDFA
  • Erbium
  • Fiber amplifier
  • Gamma
  • Radiation-induced absorption
  • Rare earth

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