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FiberHome® OM4 MMF fiber is designed specifically for high speed local area network (LAN) , such as Gigabit or higher speeds Ethernet. With the extremely refined refractive index profile owing to the optimized PCVD process, FiberHome® OM4 MMF fiber eliminates the differential mode delay (DMD) phenomenon observed on the conventional fibers in Gigabit applications. Thus, there is no need for expensive CMC compensation. FiberHome® Next Generation MMF fibers satisfy the use at 850nm and 1300nm. The maximum link distances (up to 2000 meter) for Gigabit Ethernet system are the longest distances available in the world.
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Transmission characteristics |
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Attenuation |
@850nm |
≤2.4dB/km |
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@1300nm |
≤0.6dB/km |
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Over-filled launch (OFL) bandwidth |
@850nm |
≥3500MHz.km |
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@1300nm |
≥500MHz.km |
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Effective model bandwidth (EMB) |
@850nm |
≥4700MHz.km |
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Numerical aperture |
0.200±0.015 |
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Zero dispersion wavelength, l0 |
1295~1340nm |
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Zero dispersion slope |
1295~1310nm |
≤0.105ps/(nm2·km) |
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1310~1340nm |
≤0.000375(1590- l0)ps/(nm2·km) |
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Macrobending loss |
Φ30mm,2 turns, @850nm |
≤0.1dB |
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Φ30mm,2 turns, @1300nm |
≤0.3dB |
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Φ15mm,2 turns, @850nm |
≤0.2dB |
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Φ15mm,2 turns, @1300nm |
≤0.5dB |
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Point discontinuity |
@1300nm |
≤0.20dB |
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Dimensional characteristics |
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Core diameter |
50±2.5μm |
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Cladding diameter |
124.3±0.7μm |
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Core non-circularity |
≤5.0% |
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Cladding non-circularity |
≤2.0% |
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Core-cladding concentricity error |
≤1.5μm |
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Primary coating diameter-uncolored |
245±10μm |
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Primary coating-cladding concentricity error |
≤12.0μm |
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Mechanical characteristics |
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Proof stress level |
≥0.69GPa (100kpsi) |
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Coating strip force |
Average |
1.0N≤Fave≤5.0N |
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Peak |
1.3N≤Fpeak≤8.9N |
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Stress corrosion susceptibility parameter, nd |
≥20 |
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Environmental characteristics |
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Damp heat (85℃, RH85%, 30 days) |
Additional attenuation @850nm/1300nm |
≤0.20dB/km |
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Dry heat (85℃, 30 days) |
Additional attenuation @850nm/1300nm |
≤0.20dB/km |
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Change of temperature (-60~+85℃) |
Additional attenuation @850nm/1300nm |
≤0.15dB/km |
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Water immersion (23℃, 30 days) |
Additional attenuation @850nm/1300nm |
≤0.20dB/km |
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Temperature-humidity cycling (-10~+85℃, 98%RH) |
Additional attenuation @850nm/1300nm |
≤0.20dB/km |
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Delivery length |
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Delivery length |
km/reel |
2.1～8.8 |
Designed for use at 850nm and 1300nm
Suit to applications in Gigabit Ethernet and higher bit-rat systems
No need to use expensive DMD compensation in Gigabit Ethernet
Enabling the longest link distances compared with congener products
Good protection and excellent strip force stability
The outstanding optical performance of FiberHome® OM4 fiber makes it suitable for applications including not only high speed LAN but also lower bit-rate systems such as FDDI, Ethernet, ATM, etc. FiberHome® OM4 fibers support up to 2000 meter of link distances for lower bit-rate systems. A wide variety of light sources can be used in combination with FiberHome® OM4 MMF fibers, such as LEDs, 850nm VCSELs, 780nm CD lasers and 1300nm fabry-perot lasers.
FiberHome® OM4 fiber is applicable in all cable types, including ribbon cable, loose tube stranded cable, slotted core cable, unitube cable and tight-buffer cable.
FiberHome® OM4 MMF fiber complies with or exceeds ITU-T Recommendation G.651 and IEC 60793-2 type A1a optical fiber specification.
