PM980 Polarization-Maintaining Fiber PM980B-400
Coherent/Nufern polarization-maintaining telecommunications (Telco) fibers are designed for today's most advanced network applications, with operation optimized for the 980nm band. They support data transmission and telecommunications networks in all-polarization-maintaining (all-PM) systems. Coherent/Nufern uses proprietary manufacturing processes and equipment to produce high-performance PM fibers, fundamentally improving optical performance, mechanical performance, and geometric tolerances compared with similar products. Bend-insensitive PM fibers provide minimal bend loss and a high polarization extinction ratio at small bend radii, helping reduce device and product package sizes. The series offers coating diameters of 250um or 400um and proof-test levels up to 200kpsi. Coherent/Nufern PM fibers are intended to meet current and future application requirements.
Overview
Specifications
| Parameter | Value |
|---|---|
| Operating Wavelength | 970-1550 nm |
| Core Numerical Aperture | 0.120 |
| Mode Field Diameter MFD @980nm [@980nm;@ 980nm] | 6.6±0.5 μm |
| Maximum Bend Loss @980nm, 25mm Diameter, 10 Turns | 0.5 dB |
| Blocking Wavelength | 920±50 nm |
| Core Attenuation @ 980nm [@980nm;@ 980nm] | ≤ 2.5 dB/km |
| Normalized Crosstalk @4m, 980nm [@4m 980nm;@ 4m 980nm] | ≤ -40 dB |
| Normalized Crosstalk @100m,980nm [@100m 980nm / 100m] | ≤ -30 dB |
| Beat Length @ 980nm [@980nm;@ 980nm] | ≤ 2.7 mm |
| Bend Crosstalk @980nm, 25mm OD, 10 Turns [@980nm 25mm OD, 10 turns] | -30 dB |
| Cladding Diameter | 125.0±1.0 μm |
| Core Diameter | 5.5 μm |
| Coating Diameter | 400.0±15.0 μm |
| Core/Cladding Concentricity Error | ≤ 0.50 μm |
| Coating Concentricity | < 5.0 μm |
| Coating Material | UV Cured Dual Acrylate |
| Operating Temperature | -40 ~ +85 ℃ |
| Proof Test Level | ≥200 (1.4GN/m2) |
Applications
Key Features
Datasheet
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