Coherent GF1AA fibers are optimized for high-performance grating applications requiring enhanced photosensitivity. These fibers offer reliable grating-writing performance, low attenuation, and tight geometrical tolerances for precise optical systems.
| Parameter | GF1AA | 
|---|---|
| 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) |