Datasheet
Components & Accessories
PM-GDF-6/125-M, Matched Passive Double Clad Optical Fiber
Coherent's PM-GDF-6/125-M fibers are engineered for passive applications requiring exceptional beam quality and low splice loss. Featuring a 6 µm core diameter and a 125 µm cladding diameter, these fibers integrate seamlessly with active counterparts. The matched (M) design ensures compatibility, while the NuCOAT fluoroacrylate coating enhances environmental durability and long-term reliability, making these fibers suitable for industrial, medical, and defense applications.
Features
- Matched (M) design - Optimized for low splice loss
- NuCOAT fluoroacrylate coating - Provides superior environmental durability
- Single-mode core - Maintains exceptional beam quality
- Proof tested to > 100 kpsi - Ensures long-term reliability
- RoHS compliant
Applications
- Passive fiber laser systems
- Medical laser systems
- Industrial precision instrumentation
- Defense optical systems
Datasheet
| Parameter | PM-GDF-6/125-M |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1530 - 1625 nm |
| Core NA | 0.18 |
| Mode Field Diameter | 6.8 ± 0.8 μm @ 1550 nm |
| Cutoff | 1440 ± 80 nm |
| Core Attenuation | ≤ 10.0 dB/km @ 1550 nm |
| First Cladding NA | ≥ 0.46 |
| Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
| Birefringence | 1 _ 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 1.0 μm |
| Core Diameter | 6 μm |
| Coating Diameter | 245.0 ± 10.0 μm |
| Coating Cencentricity | < 5.0 μm |
| Core Clad Offset | ≤ 0.50 μm |
| Coating Material | NuCOAT fluoroacrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |