Datasheet
Components & Accessories
LMA-GDF-25/400-M Plus, High-Performance Passive Double Clad Fiber
Coherent Large Mode Area (LMA) high-performance passive double clad fibers are optimized for industrial, medical, and defense laser systems. Featuring a 25 µm core diameter and a 400 µm cladding diameter, the M Plus version offers tighter optical and geometric tolerances for superior performance. The advanced NuCOAT fluoroacrylate coating provides exceptional durability and ensures consistent operation under extreme environmental conditions.
Features
- M Plus high-performance design - Optimized for superior optical performance
- NuCOAT fluoroacrylate coating - Enhanced durability in demanding conditions
- 25 µm core and 400 µm cladding - Suitable for high power applications
- Proof tested to > 100 kpsi - Ensures long-term reliability
- RoHS compliant
Applications
- High-power fiber lasers
- Material processing
- Defense and medical laser systems
Datasheet
| Parameter | LMA-GDF-25/400-M-Plus |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1060 - 1600 nm |
| Core NA | 0.065 ± 0.005 |
| Mode Field Diameter | 19.2 ± 1.2 μm @ 1060 nm |
| Core Attenuation | ≤ 30.0 dB/km @ 1300 nm |
| First Cladding NA | ≥ 0.46 |
| Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 395.0 ± 3.0 μm |
| Core Diameter | 25.0 ± 1.5 μm |
| Coating Diameter | 550.0 ± 15.0 μm |
| Core Clad Offset | ≤ 1.20 μm |
| Coating Material | NuCOAT fluoroacrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |
| Clad Non-Circularity | ≤ 0.5 % |