Polarization-Maintaining Erbium-Ytterbium Co-Doped Fibre

YOFC's polarization-maintaining erbium-ytterbium co-doped fibre has numerous advantages such as excellent polarization-maintaining performance, high pump to signal conversion efficiency, and long-term reliability. It is widely used in polarization-maintaining fibre amplifiers, lidar, and eye-safe laser products.

Applications

  • High-power amplifier

  • Industrial/Medical laser systems

Characteristics

  • Optimized for enhanced optical and mechanical tolerances

  • Guarantees long-term reliability

  • Maintains polarization stability

Specifications

Fibre typePM EYDF MM 10/125HPM EYDF DC 25/300
Optical specifications
Operating wavelength (nm)1530~16251530~1625
Core NA0.205±0.0150.090±0.010
First cladding NA≥0.46≥0.46
Cladding absorption@915nm (dB/m)3.0±0.53.0±0.5
Core absorption@1535nm (dB/m)100±2085±15
Cladding attenuation@1095nm (dB/km)≤30≤30
Birefringence≥1.5×10⁴≥1.5×10⁴
Geometrical and mechanical specifications
Core diameter (μm)10.0±1.025.0±2.0
Cladding diameter (μm)125.0±3.0300.0±8.0
Core/Cladding offset (μm)≤1.0≤2.0
Coating diameter (μm)245.0±10.0450.0±15.0
Prooftest level (kpsi)≥100≥100
Coating materialLow Index AcrylateLow Index Acrylate
Environmental specifications
Operating temperature (°C)-40 ~ 85-40 ~ 85
Standards complianceROHS2.0, REACHROHS2.0, REACH