Coherent Large Mode Area (LMA) high-performance passive double clad fibers are specifically designed for high-power laser systems. With a 30 µm core diameter and a 250 µm cladding diameter, the M Plus version offers tighter optical and geometric tolerances to optimize beam quality and reduce splice loss. The advanced NuCOAT fluoroacrylate coating enhances durability, ensuring reliable performance under demanding environmental conditions.
Parameter | LMA-GDF-30/250-M-Plus |
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Optical Specifications | |
Operating Wavelength | 1060 - 1600 nm |
Core NA | 0.062 ± 0.005 |
Mode Field Diameter | 21.5 ± 1.5 μm @ 1060 nm |
Core Attenuation | ≤ 30.0 dB/km @ 1200 nm |
First Cladding NA | 0.46 |
Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 247.0 ± 3.0 μm |
Core Diameter | 30.0 ± 2.0 μm |
Coating Diameter | 395.0 ± 15.0 μm |
Core Clad Offset | ≤ 1.20 μm |
Coating Material | NuCOAT fluoroacrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |
Clad Non-Circularity | ≤ 0.5 % |