Datasheet
Components & Accessories
LMA-EYDF-25P/300-HE, Large Mode Area Er/Yb-Doped Double Clad Optical Fiber
Coherent Large Mode Area (LMA) Er/Yb co-doped fibers are optimized for high-power amplifiers and lasers operating at 1550 nm. These fibers feature a 25 µm core diameter and a 300 µm cladding diameter, providing high pump conversion efficiency and superior beam quality. The HE version offers enhanced performance in industrial and defense applications, ensuring consistent operation under demanding conditions. The proprietary NuCOAT fluoroacrylate coating enhances environmental durability and long-term reliability.
Features
- Large Mode Area (LMA) design - Superior beam quality
- NuCOAT fluoroacrylate coating - Environmental durability
- High pump conversion efficiency - Optimized for high-power operation
- RoHS compliant
Applications
- High-power amplifiers
- Industrial fiber lasers
- Defense laser systems
Datasheet
| Parameter | LMA-EYDF-25P/300-HE |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1530 - 1625 nm |
| Core NA | 0.09 |
| First Cladding NA | ≥ 0.46 |
| Cladding Attenuation | ≤ 30.0 dB/km @ 1095 nm |
| Core Absorption | 85.0 ± 15.0 dB/m near 1535 nm |
| Cladding Absorption | ± 0.50 dB/m at 915 nm |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 300.0 ± 8.0 μm |
| Core Diameter | 25.0 ± 2.0 μm |
| Coating Diameter | 450.0 ± 15.0 μm |
| Core Clad Offset | ≤ 2.00 μm |
| Coating Material | Low Index Acrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |