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Part #:
PM980-XP
980 nm Polarization Maintaining Telecom Fiber
The breadth of Nufern’s range of Polarization Maintaining fibers is unrivaled. Designed for use from 980 to 1620 nm, these fibers are used in all PM applications for data and telecom. Nufern has applied its unique manufacturing facility and capabilities to this product area and has made substantial optical, mechanical and geometrical tolerance improvements. Furthermore, higher strength and fatigue failure resistance allows customers to achieve more uniform product results and to attain the highest possible manufacturing yields.
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Optical Specifications | |
| Operating Wavelength (nominal) | 970–1550 nm |
| Mode Field Diameter | 6.6 ± 1 µm @ 980 nm |
| Second Mode Cut-Off | 920 ± 50 nm |
| Attenuation | ≤ 2.5 dB/km @ 980 nm |
| Beat Length | 2.7 mm @ 980 nm |
| Normalized Cross Talk | ≤ -40 dB at 4 m @ 980 nm ≤ -30 dB at 100 m @ 980 nm (nominal) |
Geometrical & Mechanical Specifications | |
| Clad Diameter | 125.0 ± 1.0 µm |
| Coating Diameter | 245 ± 15 µm |
| Core-Clad Concentricity | < 0.5 µm |
| Coating/Clad Offset | ≤ 5 µm |
| Coating Material | UV Cured, Dual Acrylate |
| Operating Temperature | -40 to +85 °C |
| Proof Test Level | ≥ 200 kpsi (1.4 GN/m²) |
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