Communication multimode optical fiber (62.5/125um)

62.5/125μm graded-index multimode fiber meets or exceeds the ISO/IEC 11801-1 OM1 specification, IEC 60793-2-10 A1-OM1 specification and TIA-492AAAF A1-OM1 specification.

Product features：Excellent geometric consistency、 Low attenuation、 High bandwidth at 850nm and 1300nm wavelengths、 Manufactured using PCVD process、 Extremely precise refractive index profile、 Proprietary double-layer UV-cured acrylate coating、 Excellent microbend resistance、 Excellent performance for tight-buffered cables、 Stable performance under a variety of environmental conditions

Application area：LAN applications、 Video, audio and data services、 Gigabit Ethernet for laser or LED light sources

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Part Number

62.5/125

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General Parameters

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Dimensional Drawing

Photoelectric parameters:

Characteristics	Conditions	Data	Unit
Geometric properties
Core diameter	--	62.5±2.5	[μm]
Core non-circularity	--	≤5.0	[%]
Cladding diameter	--	125.0±1.0	[μm]
Cladding non-circularity	--	≤1.0	[%]
Coating diameter	--	245±7	[μm]
Coating/cladding concentricity	--	≤10.0	[μm]
Coating non-circularity	--	≤6.0	[%]
Core/cladding concentricity	--	≤1.5	[μm]
Fiber length	--	Longest to17.6	[km/coil]
Optical properties
Attenuation	850nm	≤2.7	[dB/km]
Attenuation	1300nm	≤0.6	[dB/km]
Full injection bandwidth	850nm	≥200	[MHz·km]
Full injection bandwidth	1300nm	≥500	[MHz·km]
Numerical aperture	--	0.275±0.015	--
Group refractive index	850nm	1.496	--
Group refractive index	1300nm	1.491	--
Zero dispersion wavelength	--	1320~1365	[nm]
Zero dispersion slope	1320nm≤ λ0 ≤1348nm	≤0.11	[ps/(nm2·km）]
Zero dispersion slope	1348nm≤ λ0 ≤1365nm	≤0.001（1458-λ0 ）	[ps/(nm2·km）]
Macrobending loss	--	--	--
100 turns, radius 37.5mm	850nm	≤0.50	[dB]
100 turns, radius 37.5mm	1300nm	≤0.50	[dB]
Backscattering characteristics 1300nm
Steps (average of bidirectional measurements)	--	≤0.10	[dB]
Irregularities and point discontinuities in the length direction	--	≤0.10	[dB]
Attenuation non-uniformity	--	≤0.10	[dB/km]
Environmental Characteristics 850nm and 1300nm
Temperature cycle additional attenuation	-60℃ to 85℃	≤0.10	[dB/km]
Temperature-humidity cycle additional attenuation	-10℃ to 85℃,4% to 98% relative humidity	≤0.10	[dB/km]
Water immersion additional attenuation	23℃, 30 days	≤0.10	[dB/km]
Dry heat additional attenuation	85℃, 30days	≤0.10	[dB/km]
Additional damp heat attenuation	85℃ and 85%Relative humidity，30days	≤0.10	[dB/km]
mechanical features
Filtering tension	--	≥9.0	[N]
	--	≥1.0	[%]
	--	≥100	[kpsi]
Coating peel strength	Typical average peel strength	1.5	[N]
Coating peel strength	Peak force	≥1.3，≤8.9	[N]
Dynamic fatigue parameters (nd, typical value)	--	20	--

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