Datasheet
Components & Accessories
SM-EYDF-6/125-HE, Er/Yb-Doped Double Clad Optical Fiber
Coherent's SM-EYDF-6/125-HE fibers are designed for high-performance laser and amplifier systems operating at 1.5 µm. Featuring a 6 µm core diameter and a 125 µm cladding diameter, these fibers provide high pump absorption and reliable performance. The HE version ensures enhanced optical and mechanical tolerances, making these fibers suitable for demanding industrial, medical, and defense applications. The NuCOAT fluoroacrylate coating ensures environmental durability and long-term reliability.
Features
- HE design - Optimized for enhanced optical and mechanical tolerances
- NuCOAT fluoroacrylate coating - Provides superior environmental durability
- Optimized for high-power amplifiers - Delivers robust and reliable operation
- Proof tested to > 100 kpsi - Guarantees long-term reliability
- RoHS compliant
Applications
- High-power amplifiers
- Medical laser systems
- Industrial laser systems
- Defense applications
Datasheet
| Parameter | SM-EYDF-6/125-HE |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1530 - 1625 nm |
| Core NA | 0.18 |
| Mode Field Diameter (Gaussian) | 6.8 ± 0.8 µm @ 1550 nm 6.8 ± 0.8 μm @ 1550 nm |
| Cutoff | 1440 ± 80 nm |
| Core Absorption | 40.0 ± 10.0 dB/m near 1535 nm |
| Cladding Absorption | 0.75 ± 0.15 dB/m at 915 nm 0.75 ± 0.15 dB/m at 915 nm |
| First Cladding NA | ≥ 0.46 |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 3.0 µm 125.0 ± 3.0 μm |
| Coating Material | Low Index Acrylate |
| Core Diameter | 6.0 μm |
| Coating Diameter | 245.0 ± 15.0 μm |
| Core/Clad Offset | ≤ 1.00 μm |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |