nufern PM1550B-XP保偏光纤

 nufern PM1550B-XP保偏光纤

 

Polarization Maintaining 1550 nm Telecommunication Fiber

 

Nufern’s Polarization Maintaining Telco fibers are designed for today's most advanced networks.  Optimized for use at 1550 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	1440 – 1625 nm
Core NA	0.125
Mode Field Diameter	10.1 ± 0.4 µm @ 1550 nm
Maximum Bend Loss	0.5 dB at 1550 nm, 25 mm OD, 10 turns
Cutoff	1380 ± 60 nm
Core Attenuation	≤ 0.5 dB/km @ 1550 nm
Beat Length	≤ 5.0 mm @ 1550 nm
Normalized Cross Talk	≤ - 40.0 dB at 4 m @ 1550 nm ≤ - 30.0 dB at 100 m @ 1550 nm
Bending Cross Talk	-30 dB at 1550 nm, 25 mm OD, 10 turns

Geometrical & Mechanical Specifications

Cladding Diameter	125.0 ± 1.0 µm
Core Diameter	8.5 µm
Coating Diameter	245.0 ± 15.0 µm
Coating Concentricity	< 5.0 µm
Core/Clad Offset	≤ 0.50 μm
Coating Material	UV Cured, Dual Acrylate
Operating Temperature Range	-40 to 85 °C
Prooftest Level	≥ 200 kpsi (1.4 GN/m²)