Coherent Large Mode Area (LMA) polarization-maintaining Yb-doped fibers are engineered for high-power laser and amplifier systems requiring linearly polarized output. Featuring a 30 µm core diameter and a 400 µm cladding diameter, the VIII version provides exceptional beam quality and high pump absorption. The PANDA-style stress rods enhance birefringence, ensuring reliable polarization maintenance. The NuCOAT fluoroacrylate coating ensures environmental durability and reliable long-term performance, making these fibers ideal for demanding industrial, medical, and defense applications.
Parameter | LMA-YDF-30/400-VIII |
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Optical Specifications | |
Operating Wavelength | 1060 - 1115 nm |
Core NA | 0.060 ± 0.010 |
Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
Cladding Absorption | 2.00 dB/m near 975 nm |
Cladding NA | ≥ 0.46 |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 400.0 ± 15.0 μm |
Core Diameter | 30.0 ± 3.0 μm |
Coating Diameter | 500.0 ± 20.0 μm |
Coating Material | Low Index Acrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |