Datasheet
Components & Accessories
GF4A, Photosensitive Optical Fiber
Coherent GF4A fibers are designed for demanding photosensitive grating-writing applications. These fibers deliver high-quality grating-writing performance, low splice loss, and exceptional geometrical tolerances for precise and reliable optical systems.
Features and Benefits
- Enhanced photosensitivity - Shorter grating writing time
- Mode-matched to transmission fibers - Low splice loss
- Tightly controlled specifications - Excellent uniformity
- RoHS compliant
Applications
- WDM
- Gain flattening filters
- Dispersion compensators
- Pump stabilizers
Datasheet
| Parameter | GF4A |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1500–1600 nm |
| Core NA | 0.13 |
| Mode Field Diameter (Gaussian) | 8.8–9.8 µm @ 1550 nm |
| Cutoff | 1185–1335 nm |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 123.5–126.5 µm |
| Coating Diameter | 230–270 µm |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |