Datasheet
Components & Accessories
PLMA-YDF-20/130-VIII, Polarization-Maintaining Yb-Doped Double Clad Optical Fiber
Coherent's PLMA-YDF-20/130-VIII fibers are optimized for high-power laser and amplifier systems requiring linearly polarized output. With a 20 µm core diameter and a 130 µm cladding diameter, the VIII version provides excellent pump absorption and robust beam quality. The PANDA-style stress rods enhance birefringence, ensuring reliable polarization maintenance. The NuCOAT fluoroacrylate coating ensures superior environmental durability and long-term reliability, making these fibers ideal for demanding industrial, medical, and defense applications.
Features
- PANDA-style stress rods - Enhances birefringence and polarization stability
- NuCOAT fluoroacrylate coating - Provides superior environmental durability
- Optimized for high power applications - Ensures beam quality
- Proof tested to > 100 kpsi - Guarantees long-term reliability
- RoHS compliant
Applications
- High-power CW and pulsed lasers
- Precision sensing systems
- LIDAR systems
- Medical laser systems
Datasheet
| Parameter | PLMA-YDF-20/130-VIII |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1060 - 1115 nm |
| Core NA | 0.080 ± 0.005 |
| First Cladding NA | ≥ 0.46 |
| Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
| Cladding Absorption | 10.20 dB/m near 976 nm |
| Birefringence | nominal 2 x 10⁻⁴ |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 130.0 ± 1.0 μm |
| Core Diameter | 20.0 ± 2.0 μm |
| Coating Diameter | 245.0 ± 10.0 μm |
| Core Clad Offset | ≤ 1.00 μm |
| Coating Material | NuCOAT fluoracrylate |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |