SM-1950 PM-1950 single-mode fiber -2um
Coherent/Nufern has specially designed a unique series of single-mode delivery fibers for the long-wavelength eye-safe window of 1850-2200nm, including PM and Non-PM types. Thanks to Coherent/Nufern's deep fiber manufacturing experience in the demanding telecommunications and industrial fields, this series of 2um band beam delivery fibers has excellent consistency and very high fatigue resistance.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength (Normal Conditions) | 1850-2200 |
| Numerical Aperture | 0.20 |
| Beat Length @ 1950 nm | ≤5.2mm |
| Birefringence | 3.5 x 10^-4 |
| Core/Cladding Concentricity Deviation | ≤0.5μm |
| Cladding/Coating Deviation | ≤5μm |
| Coating Layer Material | UV Cured Dual Acrylate |
| Numerical Aperture | 0.20 |
| Beat Length @ 1950 nm | ≤ 5.2mm |
| Core/Cladding Concentricity Deviation | ≤0.5μm |
| Cladding/Coating Deviation | ≤5μm |
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