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Dual Clad Erbium/Ytterbium Doped Fiber

PM and non-PM erbium ytterbium co-doped dual clad fiber

  • Optimized for efficient energy transfer
  • Can be cleaved and spliced with standard equipment

Typical Applications:

  • High power Erbium Doped Fiber Amplifiers (EDFAs)
  • Ytterbium/Erbium Doped Fiber Amplifier (YEDFA)
  • Fiber laser
  • Light Radar (LiDAR)
  • Cable Television (CATV)
    Comparison
    CP1500YDC1500Y(6/125)HDDC1500Y(11/125)HD
    Laser Core
    CompositionPhosphosilicate with erbium and ytterbiumPhosphosilicate with erbium and ytterbiumPhosphosilicate with erbium and ytterbium
    Operating Wavelength (nm)1520–15701520–15701520–1570
    Numerical Aperture0.20–0.220.20-0.230.10-0.13
    Mode Field Diameter (μm)5.6–6.5 @1550nm5.6-7.2@1550nm9.6-12@1550nm
    Core Diameter (μm)4.5-5.84.3-5.87.6-11.6
    Cut-Off Wavelength (nm)1290–15101290–15101290–1510
    Absorption (dB/m)19 (nominal) @1550nm70 (nominal) @1535nm80 (nominal) @1535nm
    Beat Length (mm) @633nm---
    Pump Guide
    CompositionPure silica with F-doped silica claddingPure silica with F-doped silica claddingPure silica with F-doped silica cladding
    Numerical Aperture0.24–0.280.45 (nominal)0.45 (nominal)
    Mean Pump Guide Diameter (μm)80-104125125
    Absorption (dB/m)1 (typical) @940nm70 (nominal) @1535nm80 (nominal) @1535nm
    General
    Proof Test (%)1 (100 kpsi)1 (100 kpsi)1 (100 kpsi)
    Coating TypeDual Layer Acrylate *Low Index AcrylateLow Index Acrylate
    Cladding Diameter (μm)125 ± 1125 ± 1125 ± 1
    Coating Diameter (μm)245 ± 7245 ± 15245 ± 15
    Operating Temperature (ºC)-55 to +85-55 to +85-55 to +85
    * High temperature acrylate variant available upon request