• Polarization Maintaining Fiber (PMF)
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PMF

  • OptoNest provides Polarization Maintaining Fiber(PMF), which is specially designed for fiber optic gyroscopes (FOGs) and polarization-sensitive components applications. This kind of fiber exhibits extremely low attenuation and excellent birefringence characteristics, and is used in a variety of demanding applications.
Specifications
Parameters PM1015-A+ PM1016-B
Operating Wavelength 980 nm 1310 nm
Cutoff Wavelength 800 ~ 970 nm 1100 ~ 1290 nm
Mode Field Diameter 6.5 ± 1.0 μm 6.0 ± 1.0 μm
Attenuation ≤ 2.5 dB/km ≤ 0.6 dB/km
Beat Length 3.0 ~ 5.0 mm ≤ 3.0 mm
Cross Talk ≤ -25 dB (at 100m) ≤ -30 dB (at 1000m)
Cladding Diameter 125.0 ± 1.0 μm 80.0 ± 1.0 μm
Coating Type Dual-layer; UV-Acrylate
Coating Diameter 245.0 ± 7.0 μm 170.0 ± 7.0 μm
Cladding Non-Circularity ≤ 1.0 %
Core Concentricity Error ≤ 1.0 μm
Operating Temperature Range -45℃ to +85℃
Proof Test Level 0.70 GN/m2 (100kpsi)
※ Customized products are available upon customer request.