Datasheet
Components & Accessories
PLMA-GDF-20/400-M, PM Matched Passive Double Clad Optical Fiber
Coherent's PLMA-GDF-20/400-M fibers are optimized for high-power laser and amplifier systems. Featuring a 20 µm core diameter and a 400 µm cladding diameter, these fibers provide low splice loss and exceptional beam quality. The matched (M) design ensures seamless integration with active counterparts. The NuCOAT fluoroacrylate coating provides superior environmental durability, making these fibers suitable for industrial, medical, and defense applications under demanding conditions.
Features
- Matched (M) design - Ensures low splice loss and seamless integration
- NuCOAT fluoroacrylate coating - Provides superior environmental durability
- Optimized for high-power applications - Supports high pump absorption
- Proof tested to > 100 kpsi - Guarantees long-term reliability
- RoHS compliant
Applications
- High-power CW and pulsed lasers
- Material processing
- Medical laser systems
- Defense laser systems
Datasheet
| Parameter | PLMA-GDF-20/400-M |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1015 - 1115 nm |
| Core NA | 0.065 ± 0.005 |
| Core Attenuation | ≤ 25.0 dB/km @ 1200 nm |
| First Cladding NA | ≥ 0.46 |
| Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
| Birefringence | nominal 4 x 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 395.0 ± 10.0 μm |
| Core Diameter | 20.0 ± 1.5 μm |
| Coating Diameter | 550.0 ± 15.0 μm |
| Core Clad Offset | ≤ 2.00 μm |
| Coating Material | NuCOAT fluoroacrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |