Multimode Optic Fiber

Optical Characteristics OM1 OM2 OM3
Attenuation @ 850 nm ≤3.0 dB/KM ≤3.0 dB/KM ≤2.8 dB/KM
@1300 nm ≤0.8 dB/KM ≤0.8 dB/KM ≤0.7 dB/KM
Bandwidth @ 850 nm ≥200 Mhz.KM ≥500 Mhz.KM ≥1500 MHz.KM@LED
≥2000 MHz.KM@laser
@1300 nm ≥500 Mhz.KM ≥500 Mhz.KM ≥500 Mhz.KM
10Gb/s Ethernet Link
Distance (10GBASE-SR)
@ 850 nm 33 M 82 M 300 M
Zero Dispersion Wavelength 1320~1365 nm 1295~1320 nm 1295~1320 nm
Group Index of Refraction
(Typical)
@850 nm 1.496 1.482 1.482
@1300 nm 1.491 1.477 1.477
Geometrical Characteristics
Core Diameter 62.5±2.5 µm 50±2.5 µm 50±2.5 µm
Cladding Diameter 124.8±1.0 µm 124.8±1.0 µm 124.8±1.0 µm
Cladding Non-Circularity ≤1.0% ≤1.0% ≤1.0%
Coating Diameter 245±7 µm 245±7 µm 245±7 µm
Coating/Cladding Concentricity Error ≤12.0 µm ≤12.0 µm ≤12.0 µm
Coating Non-Circularity ≤6.0% ≤6.0% ≤6.0%
Core/Cladding Concentricity Error ≤1.5 µm ≤1.5 µm ≤1.0 µm
Environmental Characteristics (@850 nm/@1300 nm)
Attenuation at Temperature cycling
△ α (-60°C~+85°C)
≤0.10 dB/km ≤0.10 dB/km ≤0.10 dB/km
Attenuation at Temperature-Humidity Cycling
(-10°C~+85°C, 98% R.H.)
≤0.10 dB/km ≤0.10 dB/km ≤0.10 dB/km
Attenuation at Damp Heat Dependence
(85°C, 98% R.H., 30 days)
≤0.10 dB/km ≤0.10 dB/km ≤0.10 dB/km
Attenuation at Watersoak Dependence
(23°C, 30 days)
≤0.10 dB/km ≤0.10 dB/km ≤0.10 dB/km
Mechanical Characteristics
Proof Test (Off Line) ≥9.0 N (≥100 kpsi) ≥9.0 N (≥100 kpsi) ≥9.0 N (≥100 kpsi)
Macrobend Loss
(100 Turn, 25mm Radius)
850 nm ≤0.05 dB ≤0.05 dB ≤0.05 dB
1300 nm ≤0.05 dB ≤0.05 dB ≤0.05 dB
Coating Strip Force (Typical) 1.5 N 1.5 N 1.5 N
Dynamics Stress Corrosion
Susceptibility Parameter(Nd, Typical)
≥27 ≥27 ≥27