Radiation damage effects in doped fiber materials

B. P. Fox, K. Simmons-Potter, J. H. Simmons, W. J. Thomes, R. P. Bambha, D. A.V. Kliner

Research output: Contribution to journalConference articlepeer-review

14 Scopus citations


Gamma-radiation-induced photodarkening has been observed and characterized in a suite of Yb-doped, Er-doped and Yb/Er co-doped optical fibers. Significant reduction in the optical transmission of the fibers under passive (not pumped) conditions was observed for wavelengths across the infrared spectrum. In general, it was found that the codoped fiber tested showed the strongest radiation resistance whereas the Er-doped fibers tested exhibited the greatest radiation sensitivity. A dependence on dose rate was also observed in all fibers.

Original languageEnglish (US)
Article number68731F
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2008
EventFiber Lasers V: Technology, Systems, and Applications - San Jose, CA, United States
Duration: Jan 21 2008Jan 24 2008


  • Co-60 irradiation
  • Er-doped fibers
  • Gamma-radiation effects
  • Photodarkening
  • Radiation-induced absorption
  • Rare-earth doped fibers
  • Yb-doped fibers

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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