Datasheet
Components & Accessories
LMA-GDF-25/250-09M, Large Mode Area Passive Double Clad Fiber
Coherent Large Mode Area (LMA) passive double clad fibers are designed for high power industrial, medical, and military applications. These fibers feature a 25 µm core diameter and a 250 µm cladding diameter, offering high coupling efficiency and robust performance. The 09M version is precision-matched for low splice loss and optimal beam quality. NuCOAT fluoroacrylate coating ensures environmental durability and long-term reliability.
Features
- Precision-matched 09M design - Reduces splice loss
- NuCOAT fluoroacrylate coating - Enhanced durability in demanding conditions
- 25 µm core diameter - Ensures efficient beam propagation
- Proof tested to > 100 kpsi - Long-term reliability
- RoHS compliant
Applications
- High power fiber amplifiers
- Material processing
- Military and medical laser systems
Datasheet
| Parameter | LMA-GDF-25/250-09M |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 800 - 2100 nm |
| Core NA | 0.090 ± 0.010 |
| First Cladding NA | ≥ 0.460 |
| Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 247.0 ± 3.0 μm |
| Core Diameter | 24.0 ± 1.5 μm |
| Coating Diameter | 395.0 ± 15.0 μm |
| Core Clad Offset | ≤ 2.00 μm |
| Coating Material | Low Index Acrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |
| Clad Non-Circularity | ≤ 0.5 % |