The ER8-6 Er-doped single-clad fiber features a lower absorption when it’s needed and high quantum efficiency that make this product the ideal solution for the design of optical telecom amplifiers. Erbium-doped single-clad fibers come in various doping concentrations, with different optical and geometrical characteristics to fit the diverse requirements and applications.

Features & Benefits
  • Low background losses
  • High doping concentration – provides highly efficient signal transfer
  • Low splice loss
  • Erbium-doped fiber amplifiers (EDFA)
  • Telecom
Core Absorption @ 980 nm (dB/m)
≥ 6.0
Core Absorption @ 1535 nm (nominal) (dB/m)
8 ± 1
Core Numerical Aperture (Typical)
Background Loss @ 1200 nm (dB/km)
< 10.0
Geometrical & Mechanical
Core Diameter (Typical) (µm)
Cladding Diameter (µm)
125 ± 0.5
Core/Cladding Concentricity Error (µm)
< 0.5
Coating Diameter (µm)
245 ± 10

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