Smart Product Number: PM980-XP
Polarization Maintaining 980 nm Telecommunication Fiber
Nufern’s Polarization Maintaining Telco fibers are designed for today's most advanced networks. Optimized for use at 980 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 established leading optical, mechanical and geometrical tolerances. The bend insensitive versions of our fibers offer lowest bend loss and extinction ratios at small bend diameters enabling our customers to reduce package sizes. Available in either 250 or 400 micron coating diameters and prooftested to 200 kpsi, Nufern's PM fibers will meet the demands of all current and future applications.
Optical Specifications
Operating Wavelength
970 – 1550 nm
Core NA
0.120
Mode Field Diameter
6.6 ± 0.5 µm @ 980 nm
Cutoff
920 ± 50 nm
Core Attenuation
≤ 2.5 dB/km @ 980 nm
Beat Length
≤ 2.7 mm @ 980 nm
Normalized Cross Talk
≤ - 40.0 dB at 4 m @ 980 nm
≤ - 30.0 dB at 100 m @ 980 nm
Geometrical & Mechanical Specifications
Cladding Diameter
125.0 ± 1.0 µm
Core Diameter
5.5 µm
Coating Diameter
245.0 ± 15.0 µm
Coating Concentricity
< 5.0 µm
Core/Clad Offset
≤ 0.50 μm
Coating Material
Acrylate
Operating Temperature Range
-40 to 85 °C
Prooftest Level
≥ 200 kpsi (1.4 GN/m²)
Comments
Coating Requirements: UV Curable, Dual Acrylate.
Special Core Dopants: SiO2/GeO2.
The Bend Loss at 980 nm (100 turns as LTBR) is <0.001 dB, by design.
The Bend Radius for 0.05 dB/100 Turns at 980 nm is much less than LTBR, by design.
The Bend Radius for 0.05 dB/100 turns at 1550 nm is 15 mm, by design.
Features & Benefits
Tight specifications — Highly deterministic results, highest product yield
High fatigue failure resistance — Longest service life
Bend insensitive — Survives application in tight geometries (B version)
All fiber prooftested to > 200 kpsi — Critical for ensuring long term reliability
Typical Applications
Pump pigtails
Grating stabilizers
PM patchcords
Polarization sensitive devices
商品属性 [波长] 970 - 1550 nm [掺杂类型] Ge [芯径大小] 5.5 µm [首包层直径] 125 µm [数值孔径] 0.120 [光学包层] single