Coherent's PM2000D fibers are designed for high-power laser systems operating at ~2 µm. These polarization-maintaining fibers feature a single-mode core optimized for excellent beam quality and polarization stability. The advanced NuCOAT fluoroacrylate coating ensures durability and reliable performance under demanding environmental conditions, making these fibers suitable for industrial, medical, and defense applications.
Parameter | PM2000D |
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Optical Specifications | |
Operating Wavelength | 1500 - 2100 nm |
Core NA | 0.37 |
Mode Field Diameter | 4.0 μm @ 2000 nm (nominal) |
Cutoff | 1110 ± 50 nm |
Normalized Cross Talk | ≤ - 20.0 dB at 2 m @ 1550 nm |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 125.0 ± 2.0 μm |
Core Diameter | 2.1 μm |
Coating Diameter | 245.0 ± 15.0 μm |
Core Clad Offset | ≤ 0.50 μm |
Coating Material | Acrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |
Dispersion Slope | ~ ps/(nm_√°km) @ 2000 nm |
Dispersion | -55 ± 10 ps/(nm√°km) @ 2000 nm |