Datasheet

Components & Accessories

PM-EYDF-6/125-HE, PANDA-Type Er/Yb-Doped Double Clad Optical Fiber

Product image of PM-EYDF-6/125-HE, PANDA-Type Er/Yb-Doped Double Clad Optical Fiber

Coherent's PM-EYDF-6/125-HE fibers are designed for high-performance amplifier systems operating at 1.5 µm. Featuring a 6 µm core diameter and a 125 µm cladding diameter, these fibers provide excellent pump absorption and minimized threshold. The HE version ensures enhanced optical and mechanical tolerances, making it suitable for industrial, medical, and defense applications. The NuCOAT fluoroacrylate coating enhances environmental durability and ensures long-term reliability under demanding conditions.

Features

  • HE version - Delivers high efficiency and minimized threshold
  • PANDA-style stress rods - Ensures reliable polarization maintenance
  • NuCOAT fluoroacrylate coating - Provides superior environmental durability
  • Optimized for high-power amplifiers - Robust and reliable performance
  • Proof tested to > 100 kpsi - Guarantees long-term reliability
  • RoHS compliant

Applications

  • High-power amplifiers
  • Industrial laser systems
  • Medical laser systems
  • Defense applications
Parameter PM-EYDF-6/125-HE
Optical Specifications
Operating Wavelength 1530 - 1625 nm
Core NA 0.18
Mode Field Diameter 6.8 ± 0.8 μm @ 1550 nm
Cutoff 1440 ± 80 nm
First Cladding NA ≥ 0.46
Core Absorption 40.0 ± 10.0 dB/m near 1535 nm
Cladding Absorption 0.75 ± 0.15 dB/m at 915 nm
Normalized Cross Talk ≤ - 25.0 dB at 10 m @ 1300 nm
Geometrical & Mechanical Specifications
Cladding Diameter 125.0 ± 1.0 μm
Core Diameter 6.0 μm
Coating Diameter 245.0 ± 15.0 μm
Core Clad Offset ≤ 1.00 μm
Coating Material Low Index Acrylate
Prooftest Level ≥ 100 kpsi (0.7 GN/m²)