Octagonal Double Clad Erbium/Ytterbium Doped Fiber

Fibercore’s Octagonal Shaped Double Clad Erbium Ytterbium Doped Fiber offers a common industry standard octagonal shaped glass cladding, combined with Fibercore’s novel High Durability (HD) low index coating package to provide world leading power handling and reliability.

  • Lower cost option to more premium fibers
  • Compatible with standard fiber laser pump combiners

Typical Applications:

  • Light Detection And Ranging (LiDAR)
  • CATV amplifiers
  • High power telecoms amplifiers
  • Eye-safe lasers

    Product Variants Explained





    Operating Wavelength (nm) 1520 - 1570
    Composition Phosphosilicate with erbium and ytterbium
    Numerical Aperture 0.20 - 0.23
    Mode Field Diameter (μm) 5.6 - 7.2 @1550nm
    Cut-Off Wavelength (nm) 1290 - 1510
    Composition Pure silica cladding
    Numerical Aperture ≥0.45
    Absorption (dB/m) 0.6 – 0.9@ 915nm
    Proof Test (%) 1 (100 kpsi)
    Coating Type Low index acrylate
    Coating Diameter (μm) 232 - 257
    Operating Temperature (°C) -55 to +85