GR-50
The Coherent/Nufern NuSENSOR graded-index multimode fiber is an ideal fiber for Raman scattering based distributed temperature sensing systems. This fiber features an NA=0.20 graded-index core design, 50um core diameter and 125um cladding diameter, with an acrylate coating for medium-temperature operation, and a version with a hermetic carbon coating is also available.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Bandwidth @ 850nm | >300 |
| Bandwidth @ 1300nm | >300 |
| Core Numerical Aperture | 0.200 |
| Core Attenuation @ 1300nm | ≤0.70dB/km |
| Core Attenuation @ 850nm | ≤2.50dB/km |
| Core/Cladding Concentricity Deviation | ≤1.50μm |
| Core Non-Circularity | ≤5.0% |
| Cladding Non-Circularity | ≤1.0% |
| Core Refractive Index Profile | Graded index (Grade Index) |
| Coating Layer Material | Sealed carbon / medium-temperature acrylic polyester |
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