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) |