Datasheet
Components & Accessories
PLMA-EYDF-20P/250-HE, PM Er/Yb-Doped Double Clad Fiber
Coherent's PLMA-EYDF-20P/250-HE fibers are engineered for high-performance laser and amplifier systems operating at 1.5 µm. These fibers feature a 20 µm core diameter and a 250 µm cladding diameter, optimized for high pump conversion efficiency and reliable operation. The HE version enhances performance under demanding industrial, medical, and defense conditions. The NuCOAT fluoroacrylate coating ensures environmental durability and long-term reliability.
Features
- HE design - Enhances performance for high-power applications
- NuCOAT fluoroacrylate coating - Ensures superior environmental durability
- High pump conversion efficiency - Optimized for 1.5 µm operation
- Proof tested to > 100 kpsi - Guarantees long-term reliability
- RoHS compliant
Applications
- High-power CW and pulsed lasers
- Medical laser systems
- Military applications
- Material processing
Datasheet
| Parameter | 1392590 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1530 - 1625 nm |
| Core NA | 0.21 |
| First Cladding NA | ≥ 0.46 |
| Core Absorption | 100.0 ± 20.0 dB/m near 1530 nm |
| Cladding Absorption | 3.10 ± 0.50 dB/m at 915 nm |
| Birefringence | 1.5 _ 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 1.5 μm |
| Core Diameter | 10.0 ± 1.0 μm |
| Coating Diameter | 215.0 ± 5.0 μm |
| Coating Material | Low Index Acrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |