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PM-EYDF-7/130

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7/130 Erbium/Ytterbium-Doped Double Clad Fiber PM

Nufern’s proprietary rare earth doping technology is used to deliver Er:Yb co-doped fibers with industry leading tolerances on the key spectroscopic parameters. This ensures the essential lot-to-lot reproducibility required for volume manufacturing of high power CATV and telecom optical amplifiers at 1550 nm. These fibers demonstrate high pump conversion efficiency and high power operation without rollover, enabled by the optimized double clad fiber design.
Applications
  • CATV and Telecom amplifiers
  • LIDAR
  • Eyesafe lasers and amplifiers
Features & Benefits
  • Single-mode core design — Low splice loss to transmission fiber
  • Double clad design — High power performance and high power conversion efficiency
  • PANDA-style stres structure for increased birefringence — Superior optical performance and uniformity
  • All fiber proof tested to > 100 kpsi — Critical for ensuring long term reliablity when coiling

Optical Specifications

Operating WavelengthC-Band and L-Band
Mode Field Diameter7.00 ± 0.75 µm @ 1550 nm
Peak Core Erbium Absorption38 ± 8 dB/m near 1535 nm
Second Mode Cut-Off1460 ± 60 nm
10 m Cross Talk @ 1300 nm≤ -25 dB
Cladding Ytterbium Absorption0.60 ± 0.15 dB/m @ 915 nm
Core Numerical Aperture (nominal)0.17
Cladding Numerical Aperture (nominal)0.46

Geometrical & Mechanical Specifications

Clad Diameter130.0 ± 3.0 µm
Coating Diameter245 ± 15 µm
Core-Clad Concentricity< 1.0 µm
Outer Cladding MaterialLow Index Polymer
Proof Test Level≥ 100 kpsi (0.7 GN/m2)

Note: Perfectly matched passive versions are available for many of our active fibers.
See our Component and Delivery Fibers cheat sheet. (PDF)

RoHS Compliant