Datasheet
Components & Accessories
PM-YSF-LO-HP, Polarization-Maintaining Yb-Doped Single Mode Optical Fiber
Coherent's PM-YSF-LO-HP fibers are optimized for high-performance laser systems requiring linearly polarized output. These fibers feature a low numerical aperture (LO) core for precise beam quality and polarization stability. The high-performance (HP) version provides enhanced optical and mechanical tolerances, ensuring reliable operation under demanding industrial, medical, and defense applications. The NuCOAT fluoroacrylate coating provides superior environmental durability for long-term reliability.
Features
- PANDA-style stress rods - Provides reliable polarization maintenance
- Low NA (LO) core - Ensures precise beam quality
- High-performance (HP) version - Enhanced optical and mechanical tolerances
- NuCOAT fluoroacrylate coating - Provides superior environmental durability
- Proof tested to > 100 kpsi - Guarantees long-term reliability
- RoHS compliant
Applications
- High-power single-mode CW lasers
- Medical laser systems
- Precision instrumentation
- Industrial laser systems
Datasheet
| Parameter | PM-YSF-LO-HP |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1015 - 1115 nm |
| Core NA | 0.13 |
| Mode Field Diameter | 6.5 ± 0.7 μm @ 1060 nm |
| Cutoff | 860 ± 50 nm |
| Core Attenuation | ≤ 10.0 dB/km @ 1200 nm |
| Core Absorption | 80.0 dB/m at 975 nm |
| Birefringence | > 2.8 _ 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 1.0 μm |
| Core Diameter | 5.0 μm |
| Coating Diameter | 245.0 ± 10.0 μm |
| Coating Cencentricity | < 5.0 μm |
| Core Clad Offset | ≤ 0.50 μm |
| Coating Material | Acrylate |
| Operating Temperature Range | -55 to 85 °C |
| Prooftest Level | ≥ 200 kpsi (1.4 GN/m²) |