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OM5 Bend-Insensitive Multimode Fiber
OM5 bend-insensitive multimode fiber is a high-performance fiber product designed specifically for high-speed, multi-wavelength optical communication systems. It adopts an optimized fiber structure design and features high bandwidth, low differential mode delay, and excellent bend resistance in the 850–953 nm band. The product is compatible with conventional OM4 multimode fiber and offers low transmission loss, good environmental stability, and reliable mechanical performance. It can effectively improve optical signal transmission quality and system cabling flexibility. It is widely used in data centers, high-performance computing centers, 100G/400G Ethernet, and various high-speed optical communication systems, providing stable and reliable solutions for high-density, large-capacity, short-distance optical transmission.
Product features:Optimized for multi-wavelength transmission systems;High bandwidth and low differential mode delay at 850–953 nm;Compatible with conventional OM4 fiber;Low bend-induced additional loss
Part Number:MP-OM5-BIMMF-850-1300
Application area:Data centers | High-performance computing centers | 100 & 400 Gb/s Ethernet | Various optical cable types
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Numerical aperture Attenuation
0.200±0.015 ≤0.6 dB/km / ≤1.7 dB/km / ≤2.4 dB/km

Characteristic | Unit | Condition | Product Specification |
Attenuation | dB/km | 850nm | ≤2.4 |
Attenuation | dB/km | 1300nm | ≤0.6 |
Attenuation | dB/km | 953 nm | ≤1.7 |
Overfilled launch bandwidth | MHz·km | 850nm | ≥3500 |
Overfilled launch bandwidth | MHz·km | 1300nm | ≥500 |
Effective modal bandwidth | MHz·km | 850 nm | ≥4700 |
Effective Modal Bandwidth | MHz·km | 953 nm | ≥2470 |
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 | / | 1297–1328 |
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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