Coherent Large Mode Area (LMA) Yb-doped fibers are optimized for high-power laser and amplifier systems requiring low splice loss and excellent beam quality. With a 20 µm core diameter and a 400 µm cladding diameter, the 9M version ensures seamless integration with active counterparts, enhancing performance and reliability. The NuCOAT fluoroacrylate coating provides environmental durability, making these fibers suitable for industrial, medical, and defense applications.
Parameter | LMA-YDF-20/400-9M |
---|---|
Optical Specifications | |
Operating Wavelength | 1015 - 1115 nm |
Core NA | 0.065 ± 0.005 |
Core Attenuation | ≤ 15.0 dB/km @ 1200 nm |
Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
Cladding Absorption | 0.48 ± 0.06 dB/m at 915 nm |
Cladding NA | ≥ 0.46 |
Slope Efficiency | > 70.0%@ 915 nm |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 400.0 ± 10.0 μm |
Core Diameter | 20.0 ± 1.5 μm |
Coating Diameter | 550.0 ± 15.0 μm |
Core Clad Offset | ≤ 2.00 μm |
Coating Material | NuCOAT fluoroacrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |