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Product Application
50/125μm OM2 fiber is a graded-index multimode type featuring a 50μm core diameter and a 125μm cladding diameter, comprehensively optimized for performance at the 850nn and 1300nm operating wavelengths.
All indicators of the fiber have reached the world's advanced level. Thanks to its higher bandwidth and lower attenuation, it is satisfying the use at 850nm and 1300nm, and widely used in Local Area Network (LAN), video transmission, audio transmission, data transmission and many other sectors.
With the laser and Light Emitting Diode (LED) as its light source, the fiber is quite practical for IEEE802.3z Gigabit Ethernet. In addition, Its MCVD manufacturing technology ensures better stability and more precise control over refractive index distribution. The fiber applies for different structures of fiber optic cables, such as ribbon fiber cable, stranded loose tube cable, slotted core fiber cable, central-tube fiber optic cable, tight buffered fiber optic cable, etc., and it is compatible with other fibers with different manufacturing technologies.
Product Features
The fiber is suitable for 850nn and 1300nm operating wavelengths; its low attenuation and high bandwidth are optimized for IEEE802.3z Gigabit Ethernet transmission; its coating protection and glass property enjoys excellent performance.
Technical Details
| Optical Properties | Conditions | Value | Unit |
| Attenuation | 850nm | ≤2.80 | dB/km |
| 1300nm | ≤0.60 | dB/km | |
| Injection Bandwidth | 850nm | ≥200 | MHz.km |
| 1300nm | ≥500 | MHz.km | |
| Numerical Aperture (NA) | 0.200 ±0.015 | ||
| Group Refractive Index | 850nm | 1.482 | |
| 1300nm | 1.477 | ||
| Zero Dispersion Wavelength | 1295-1320nm | ||
| Zero Dispersion Slope | 1295nm -1300nm | ≤0.001 | ps/(nm·km) |
1300nm-1320nm | ≤0.11 | ps/(nm·km) | |
| Macrobend Loss, 100 Circles, 37.5mm Radius | 850nm | ≤0.50 | dB |
| 1300nm | ≤0.50 | dB | |
| Back Scattering (1300nm) | Conditions | Value | Unit |
| Partial Discontinuity | ≤0.1 | dB | |
| Attenuation Inhomogeneity | ≤0.1 | dB | |
| Different Values of Bi-Direction and Back Scattering | ≤0.1 | dB/km |
| Geometric Properties | Conditions | Value | Unit |
| Core Diameter | 50±2.5 | μm | |
| Core Non-Circularity | ≤6.0 | % | |
| Cladding Diameter | 125±1 | μm | |
| Cladding Non-Circularity | ≤2.0 | % | |
| Core/Cladding Concentricity Deviation | ≤1.5 | μm | |
| Coating Diameter | 245±10 | μm | |
| Cladding/Coating Concentricity Deviation | ≤12.0 | μm |
| Environment Properties (850nm and 1300nm) | Conditions | Value | Unit |
| Additional Attenuation of Temperature | ≤0.15 | dB/km | |
| Additional Attenuation of Temperature and Humidity Circle | ≤0.20 | dB/km | |
| Additional Attenuation of Immersion Aging | ≤0.20 | dB/km | |
| Additional Attenuation of Hydrothermal Heating | ≤0.20 | dB/km | |
| Dry Heat Aging | ≤0.20 | dB/km |
| Mechanical Properties | Conditions | Value | Unit |
| Tension Testing | ≥9.0 | N | |
| Macrobend Additional Loss | 850nm | ≤0.5 | dB |
| Coating Stripping Force | Typical average value | 1.4 | N |
| Peak value | ≥1.3 ≤8.9 | N | |
| Dynamic Fatigue Parameter (Nd) | ≥25 | ||
