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OM2+ Bend-Insensitive Multimode Fiber
OM2+ bend-insensitive multimode fiber is a high-performance multimode fiber optimized for 850 nm VCSEL light sources and has good compatibility with conventional OM2 fiber. The product uses a 50/125 µm core/cladding structure. At 850 nm, its attenuation is ≤2.5 dB/km, and its effective modal bandwidth is ≥950 MHz·km. It also provides excellent bending resistance and can effectively reduce additional loss under small bend radius conditions. The fiber offers good optical, environmental, and mechanical performance, and is suitable for high-speed LANs, Gigabit and higher-speed Ethernet, and various optical cable systems.
Product features:Optimized for 850 nm VCSELs;Compatible with conventional OM2 fiber;Low additional bending attenuation
Part Number:MP-OM2-BIMMF-1-850-1300
Application area:High-speed local area networks | Gigabit or faster Ethernet | Various types of optical cables
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Numerical aperture Attenuation
0.200±0.015 ≤0.7 dB/km / ≤2.5 dB/km

Characteristic | Unit | Condition | Product Specification |
Attenuation | dB/km | 850nm | ≤2.5 |
Attenuation | dB/km | 1300nm | ≤0.7 |
Overfilled launch bandwidth | MHz·km | 850nm | ≥700 |
Overfilled launch bandwidth | MHz·km | 1300nm | ≥500 |
Effective modal bandwidth | MHz·km | 850 nm | ≥950 |
Numerical aperture | / | / | 0.200±0.015 |
Effective group refractive index (Neff) | / | 850nm | 1.481 |
Effective group refractive index (Neff) | / | 1300nm | 1.476 |
Zero-dispersion wavelength (λ0) | nm | / | 1295~1340 |
Zero-dispersion slope (S0) | ps/(nm²·km) | 1295≤λ₀≤1310nm | ≤0.105 |
Zero-dispersion slope (S0) | ps/(nm²·km) | 1310≤λ₀≤1340nm | ≤0.000375 |
Local discontinuity | dB | 850&1300nm | ≤0.1 |
Attenuation non-uniformity | dB/km | 850&1300nm | ≤0.08 |
Core diameter | μm | / | 50.0±2.5 |
Core non-circularity | % | / | ≤5.0 |
Cladding diameter | μm | / | 125.0±1.0 |
Cladding non-circularity | % | / | ≤1.0 |
Core/cladding concentricity | μm | / | ≤1.5 |
Coating diameter | μm | / | 243±7 |
Coating/cladding concentricity | μm | / | ≤10.0 |
Fiber length | km/reel | / | 1.1~8.8 |
Temperature cycling added attenuation | dB/km | -60℃~+85℃ | ≤0.10 |
Temperature-humidity cycling added attenuation | dB/km | -10℃~+85℃ (up to 98% RH) | ≤0.10 |
Water immersion added attenuation | dB/km | 23℃±2℃,30 days | ≤0.20 |
Damp heat added attenuation | dB/km | 85°C, 85% RH, 30 days | ≤0.20 |
Dry heat aging added attenuation | dB/km | 85°C, 30 days | ≤0.20 |
Proof test tension | kpsi | / | 100 |
Macrobending 2 turns @30 mm | dB | 850nm | ≤0.10 |
Macrobending 2 turns @30 mm | dB | 1300nm | ≤0.30 |
Macrobending 2 turns @15 mm | dB | 850nm | ≤0.20 |
Macrobending 2 turns @15 mm | dB | 1300nm | ≤0.50 |
Coating stripping force | N | Average | 1.0~5.0 |
Coating stripping force | N | Peak | 1.3~8.9 |
Dynamic fatigue parameter | / | / | ≥20 |
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