多模千兆光纤参数描述-英文

OM1 62.5/125 Technical Data

62.5/125μm multimode fibers
Characteristic	Condition	Data			Unit
Optical properties		A	B	C
Attenuation	850nm 1300nm	≤2.80 ≤0.60	≤3.00 ≤0.80	≤3.00 ≤1.00	dB/km dB/km
Bandwidth	850nm 1300nm	≥200 ≥600	≥160 ≥500	≥160 ≥300	MHz.km MHz.km
Numerical aperture (NA)		0.275±0.015
Backscatter characteristics (1300nm)
Partly discontinuous point		≤0.1			dB
Fiber attenuation inhomogeneity		≤0.1			dB
Bidirectional backscattering coefficient difference		≤0.1			dB/km
Geometric characteristics
Core diameter		62.5±2.5			μm
Cladding roundness		≤6.0			%
Coating diameter		125±1			μm
Cladding roundness		≤2.0			%
Coating / cladding concentricity error		≤1.5			μm
Coating diameter		245±10			μm
Core / package concentricity error		≤12.0			μm
Delivery length		1.1～17.6			km/reel
Environmental characteristics（850nm And 1300nm）
Temperature additional attenuation	-60℃ ～+85℃	≤0.15			dB/km
Flooding additional attenuation	23℃±2℃，30days	≤0.20			dB/km
Hot and humid additional attenuation	85℃ and 85% Relative humidity, 30 days	≤0.20			dB/km
Dry heat aging	85℃±2℃	≤0.20			dB/km
Mechanical properties
Screening tension		≥9.0			N
The macro bend Additional attenuation 100 laps Ф75mm	850nm&1300nm	≤0.5			dB
Coating peeling force	Typical average	1.5 ≥1.3 ≤8.9			N N
Dynamic fatigue parameters		≥20

OM2 50/125μm multimode fibers Performance

OM2 50/125μm multimode fibers
Characteristic	Condition	Data			Unit
Optical properties		A	B	C
Attenuation	850nm 1300nm	≤2.40 ≤0.60	≤2.50 ≤0.70	≤2.80 ≤1.00	dB/km dB/km
Bandwidth	850nm 1300nm	≥500 ≥1200	≥500 ≥500	≥200 ≥400	MHz.km MHz.km
Numerical aperture (NA)		0.185～0.215
Backscatter characteristics (1300nm)
Partly discontinuous point		≤0.1			dB
Fiber attenuation inhomogeneity		≤0.1			dB
Bidirectional backscattering coefficient difference		≤0.1			dB/km
Geometric characteristics
Core diameter		50±2.5			μm
Cladding roundness		≤6.0			%
Coating diameter		125±1			μm
Cladding roundness		≤2.0			%
Coating / cladding concentricity error		≤12.0			μm
Coating diameter		245±10			μm
Core / package concentricity error		≤1.5			μm
Delivery length		1.1～17.6			km/reel
Environmental characteristics（850nm And 1300nm）
Temperature additional attenuation	-60℃ ～+85℃	≤0.15			dB/km
Flooding additional attenuation	23℃±2℃，30days	≤0.20			dB/km
Hot and humid additional attenuation	85℃ and 85% Relative humidity, 30 days	≤0.20			dB/km
Dry heat aging	85℃±2℃	≤0.20			dB/km
Mechanical properties
Screening tension		≥9.0			N
The macro bend Additional attenuation 100 laps Ф75mm	850nm&1300nm	≤0.5			dB
Coating peeling force	Typical average	1.5 ≥1.3 ≤8.9			N N
Dynamic fatigue parameters		≥20

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