Coherent Large Mode Area (LMA) Ho-doped fibers are optimized for high-power fiber lasers and amplifiers operating around 2 µm. With a 40 µm core diameter and a 400 µm cladding diameter, these fibers deliver exceptional beam quality and high pump conversion efficiency. The NuCOAT fluoroacrylate coating enhances durability, ensuring reliable performance in industrial, medical, and defense applications.
Parameter | LMA-HDF-40/400 |
---|---|
Optical Specifications | |
Operating Wavelength | 2100 - 2200 nm |
Core NA | 0.080 ± 0.010 |
First Cladding NA | ≥ 0.46 |
Cladding Attenuation | ≤ 15.0 dB/km @ 810 nm |
Cladding Absorption | 0.30 ± 0.20 dB/m at 1150 nm |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 400.0 ± 10.0 μm |
Core Diameter | 40.0 ± 4.0 μm |
Coating Diameter | 550.0 ± 15.0 μm Core |
Core Clad Offset | ≤ 2.00 μm |
Coating Material | NuCOAT fluoroacrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |