Coherent FUD-3738 fibers are polarization-maintaining fibers designed with cladding mode suppression for high-precision optical systems in the 1400–1600 nm wavelength range. These fibers feature robust coating and superior geometrical tolerances, ensuring reliable performance in demanding environments.
| Parameter | FUD-3738 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1400–1600 nm |
| Core NA | 0.18 |
| Mode Field Diameter (Gaussian) | 5.5–7.5 µm @ 1550 nm |
| Cutoff | 1200–1400 nm |
| Birefringence | 0.00012 |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 124–126 µm |
| Coating Diameter | 230–260 µm |
| Prooftest Level | 200–220 kpsi |