Datasheet
Components & Accessories
FUD-3781, PM630-HP-BK-S-BN Optical Fiber
Coherent FUD-3781 fibers are polarization-maintaining fibers optimized for the 630–780 nm wavelength range. These fibers feature high birefringence, robust buffering, and exceptional mechanical reliability, making them ideal for demanding environments.
Features and Benefits
- High birefringence - Ensures polarization stability
- Buffered and jacketed for durability - Suitable for harsh environments
- RoHS compliant
Applications
- Polarization-maintaining systems
- High-precision optical systems
- Specialty optical components
Datasheet
| Parameter | FUD-3781 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 630–780 nm |
| Core NA | 0.12 |
| Mode Field Diameter (Gaussian) | 4.0–4.5 µm @ 630 nm |
| Cutoff | 520–620 nm |
| Core Attenuation | 0–20 dB/km @ 630 nm |
| Beat Length | 1.8 mm @ 630 nm |
| Birefringence | 0.00035 |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 124–126 µm |
| Coating Diameter | 230–260 µm |
| Prooftest Level | 200–220 kpsi |