Coherent's PLMA-YDF-25/400-VIII fibers are engineered for high-power laser and amplifier systems requiring linearly polarized output. Featuring a 25 µm core diameter and a 400 µm cladding diameter, these fibers ensure high pump absorption and robust beam quality. The PANDA-style stress rods enhance birefringence, ensuring reliable polarization maintenance. The NuCOAT fluoroacrylate coating provides superior environmental durability and long-term reliability, making these fibers ideal for industrial, medical, and defense applications.
Parameter | PLMA-YDF-25/400-VIII |
---|---|
Optical Specifications | |
Operating Wavelength | 1060 - 1115 nm |
Core NA | 0.060 ± 0.010 |
First Cladding NA | ≥ 0.46 |
Cladding Absorption | 2.40 dB/m near 975 nm |
Birefringence | nominal 3.5 x 10⁻⁴ |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 400.0 ± 15.0 μm |
Core Diameter | 25.0 ± 2.5 μm |
Coating Diameter | 550.0 ± 20.0 μm |
Coating Material | Low Index Acrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |