Coherent's SM-YDF-5/130-VIII fibers are designed for high-power laser and amplifier systems requiring linearly polarized output. With a 5 µm core diameter and a 130 µm cladding diameter, these fibers provide exceptional pump absorption and robust beam quality. The PANDA-style stress rods enhance birefringence, ensuring reliable polarization maintenance. The NuCOAT fluoroacrylate coating enhances environmental durability, making these fibers ideal for industrial, medical, and defense applications.
| Parameter | SM-YDF-5/130-VIII |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1060 - 1115 nm |
| Core NA | 0.12 |
| Mode Field Diameter (Gaussian) | 6.5 ± 0.5 µm @ 1060 nm 6.5 ± 0.5 μm @ 1060 nm |
| Cutoff | ≤ 10.0 dB/km @ 1200 nm |
| Core Attenuation | ≤ 10.0 dB/km @ 1200 nm |
| Cladding Absorption | 0.55 ± 0.10 dB/m at 915 nm 0.55 ± 0.10 dB/m at 915 nm 1.65 dB/m near 975 nm |
| Cladding Attenuation | ≤ 10.0 dB/km @ 1200 nm |
| First Cladding NA | ≥ 0.46 |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 130.0 ± 1.5 µm 130.0 ± 1.5 μm |
| Coating Material | NuCOAT fluoroacrylate |
| Core Diameter | 5.0 μm |
| Coating Diameter | 245.0 ± 10.0 μm |
| Core/Clad Offset | ≤ 1.00 μm |
| Coating Concentricity | < 5.0 μm |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |