Coherent's SM-EYDF-6/125-XP 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 XP version offers ultra-high efficiency and low splice loss, 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 | SM-EYDF-6/125-XP |
---|---|
Optical Specifications | |
Operating Wavelength | 1530 - 1625 nm |
Core NA | 0.21 |
Mode Field Diameter (Gaussian) | 6.1 ± 0.5 µm @ 1550 nm 6.1 ± 0.5 μm @ 1550 nm 6.1 ± 0.5 μm @ 1550 nm |
Cutoff | 1470 ± 50 nm |
Core Absorption | 45.0 ± 12.0 dB/m near 1535 nm |
Cladding Absorption | 1.00 ± 0.25 dB/m at 915 nm 1.00 ± 0.25 dB/m at 915 nm 1.00 ± 0.25 dB/m at 915 nm |
First Cladding NA | ≥ 0.46 |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 125.0 ± 2.0 µm 125.0 ± 2.0 μm |
Coating Material | Low Index Acrylate |
Core Diameter | 5.5 μm |
Coating Diameter | 245.0 ± 15.0 μm |
Core/Clad Offset | ≤ 1.00 μm |
Coating Concentricity | < 5.0 μm |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |