Coherent passive double clad optical fibers are specifically designed for high power fiber laser and amplifier applications. Featuring a 25 µm core diameter and a 400 µm cladding diameter, these fibers offer high pump absorption, excellent power handling capabilities, and reliable performance. The proprietary NuCOAT fluoroacrylate coating provides durability and longevity under extreme environmental conditions, making these fibers suitable for industrial, medical, and military applications.
Parameter | BD-G25/400-11FA |
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Optical Specifications | |
Operating Wavelength | 800 - 2100 nm |
Core NA | 0.110 ± 0.010 |
First Cladding NA | ≥ 0.460 |
Cladding Attenuation | ≤ 15.0 dB/km @ 1095 nm |
Geometrical & Mechanical Specifications | |
Cladding Diameter | 400.0 ± 5.0 μm |
Core Diameter | 25.0 ± 1.5 μm |
Coating Diameter | 550.0 ± 15.0 μm |
Core Clad Offset | ≤ 2.00 μm |
Coating Material | Low Index Acrylate |
Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |
Clad Non-Circularity | ≤ 0.5 % |