Radiation Sensitivity of EFDAs Based on Highly Er-Doped Fibers

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Abstract

We have studied the effect of gamma-radiation on the small signal gain and on the noise figure of several EFDAs with similar characteristics and based on special highly Er-doped fibers. Those fibers were fabricated using direct nanoparticle deposition technology, with different Er3+ doping levels. The results show that the use of this technology allows improving the EFDA's radiation tolerance by increasing the concentration of Er3+ ions provided this is not accompanied with higher concentrations of other dopants, which influence the radiation sensitivity of the fiber.

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Original languageEnglish
Pages (from-to)1540-1545
JournalJournal of Lightwave Technology
Volume27
Issue number11
DOIs
Publication statusPublished - Jun 2009

Keywords

  • erbium doping, gamma-ray effects, optical fiber amplifiers, radiation hardening

ID: 299230