Coherent's SM1950 fibers are optimized for high-performance single-mode operation at ~2 µm. Featuring a precise core design, these fibers deliver exceptional beam quality and reliable performance under demanding conditions. The NuCOAT fluoroacrylate coating provides superior environmental durability and ensures long-term reliability, making these fibers ideal for industrial, medical, and defense applications.
| Parameter | SM1950 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1850 - 2200 nm |
| Core NA | 0.2 |
| Mode Field Diameter (Gaussian) | 8.0 μm @ 1950 nm (nominal) |
| Cutoff | 1720 ± 80 nm |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 1.0 μm |
| Coating Material | Acrylate |
| Core Diameter | 7.0 μm |
| Coating Diameter | 245.0 ± 15.0 μm |
| Core/Clad Offset | ≤ 0.50 μm |
| Coating Concentricity | < 5.0 μm |
| Operating Temperature Range | -40 to 85 °C |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |