Coherent FUD-4295 fibers are polarization-maintaining fibers optimized for distributed feedback (DFB) and Bragg grating applications in the 1550–1625 nm wavelength range. These fibers feature high birefringence, low attenuation, and robust coatings for consistent performance in high-power systems.
Parameter | FUD-4295 |
---|---|
Optical Specifications | |
Operating Wavelength | 1550–1625 nm |
Core NA | 0.15 |
Mode Field Diameter (Gaussian) | 11.5–12.5 µm @ 1550 nm |
Cutoff | 1450–1520 nm |
Birefringence | 0.00035 |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 124–126 µm |
Coating Diameter | 230–260 µm |
Prooftest Level | 100–120 kpsi |