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.
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) |