Datasheet
Components & Accessories
PM-NDF-5/125, Single Mode Passive Double Clad Optical Fiber
Coherent's PM-NDF-5/125 fibers are engineered for passive laser applications requiring exceptional beam quality and robust environmental performance. Featuring a 5 µm core diameter and a 125 µm cladding diameter, these fibers ensure low splice loss and seamless integration with active fibers. The NuCOAT fluoroacrylate coating provides enhanced durability and long-term reliability, making these fibers ideal for industrial, medical, and defense applications under demanding conditions.
Features
- 5 µm single-mode core - Optimized for precise beam quality
- NuCOAT fluoroacrylate coating - Provides superior environmental durability
- Low splice loss - Ensures seamless integration with active fibers
- Proof tested to > 100 kpsi - Guarantees long-term reliability
- RoHS compliant
Applications
- Passive fiber laser components
- Medical instrumentation
- Industrial precision lasers
- Defense optical systems
Datasheet
| Parameter | PM-NDF-5/125 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1060 - 1115 nm |
| Core NA | 0.15 |
| Mode Field Diameter | 6.0 ± 1.0 μm @ 1060 nm |
| Cutoff | 980 ± 50 nm |
| First Cladding NA | ≥ 0.46 |
| Cladding Absorption | 1.0 ± 0.3 dB/m at 808 nm |
| Birefringence | nominal 2.8 x 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 2.0 μm |
| Core Diameter | 5.0 μm |
| Coating Diameter | 245.0 ± 15.0 μm |
| Coating Material | NuCOAT fluoroacrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |
| Second Cladding Material | Low Index Polymer |