Multi-mode Optical Fiber OM4

Multi-mode optical fiber OM4 is designed for 100G/channel and terabit BiDi technology, providing high bandwidth in the 850nm - 870nm and 910nm wavelength range. It can compensate for the signal attenuation caused by the center wavelength offset of 100G/channel transceivers, ensuring smooth upgrade of data centers to 400G, 800G and higher data rates. It is fully backward compatible with traditional OM4 and OM5 fibers.

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Product Description

Applications

● Data centers

● Office centers

● Data storage networks

● Local area networks

● High-performance computing centers

● 10&40&100&400&800 Gb/s and 1.6Tb/s Ethernet

Standards

OM4 ultra-bend-insensitive multimode fiber meets or exceeds the ISO/IEC 11801-1 OM4 specification, IEC 60793-2-10 A1-OM4 specification, and TIA-492AAAF A1-OM4 specification.

Characteristics

● Optimized for 100G/Lane transmission systems

● Efficient modal bandwidth at wavelengths ranging from 850-870nm and 910nm

● Backward compatible with legacy OM4 fiber

● Excellent geometric uniformity

● Low attenuation

● High bandwidth

● Low differential mode delay (DMD)

Specifications

Characteristics	Conditions	Specified Values	Units
Geometry Characteristics
Core Diameter	--	50±2.5	[μm]
Core Non-Circularity	--	≤5.0	[%]
Cladding Diameter	--	125.0±1.0	[μm]
Cladding Non-Circularity	--	≤0.6	[%]
Coating Diameter	--	245±7	[μm]
Coating/Cladding Concentricity Error	--	≤10.0	[μm]
Coating Non-Circularity	--	≤6.0	[%]
Core/Cladding Concentricity Error	--	≤1.0	[μm]
Delivery Length	--	up to 17.6	[km/reel]
Optical Characteristics
Attenuation	850nm	≤2.4	[dB/km]
	910nm	≤2.0	[dB/km]
	1300nm	≤0.6	[dB/km]
Overfilled Modal Bandwidth	850nm	≥3500	[MHz·km]
Overfilled Modal Bandwidth	1300nm	≥500	[MHz·km]
Effective Modal Bandwidth	850nm-870nm	≥4700	[MHz·km]
Effective Modal Bandwidth	910nm	≥3100	[MHz·km]
Link Length	800GBase-SR8	100	[m]
Link Length	800GBaseSR-4.2	100	[m]
Numerical Aperture	--	0.200±0.015	--
Group Refractive Index	850nm	1.482	--
Group Refractive Index	1300nm	1.477	--
Zero Dispersion Wavelength, λ0	--	1295-1340	[nm]
Zero Dispersion Slope，S0	1295nm≤λ0≤1310nm	≤0.105	[ps/(nm2·km)]
Zero Dispersion Slope，S0	1310nm≤λ0≤1340nm	≤0.000375(1590-λ0)	[ps/(nm2·km)]
Macrobending Loss1	--	--	--
2 Turns @ 15 mm Radius	850nm	≤0.1	[dB]
2 Turns @ 15 mm Radius	1300nm	≤0.3	[dB]
2 Turns @ 7.5 mm Radius	850nm	≤0.2	[dB]
2 Turns @ 7.5 mm Radius	1300nm	≤0.5	[dB]
Backscatter Characteristics	1300nm
Step（Mean of Bidirectional Measurement）	--	≤0.10	[dB]
Irregularities Over Fibre Length and Point Discontinuity	--	≤0.10	[dB]
Attenuation Uniformity	--	≤0.08	[dB/km]
Environmental Characteristics	850nm & 1300nm
Temperature Cycling	-60℃to 85℃	≤0.10	[dB/km]
Temperature-Humidity Cycling	-10℃to 85℃, 4% to 98% RH	≤0.10	[dB/km]
Water Immersion	23℃, 30 days	≤0.10	[dB/km]
Dry Heat	85℃，30 days	≤0.10	[dB/km]
Damp Heat	85℃, 85% RH, 30 days	≤0.10	[dB/km]
Mechanical Specification
Proof Test	--	≥9.0	[N]
	--	≥1.0	[%]
	--	≥100	[kpsi]
Coating Strip Force	typical average force	1.5	[N]
Coating Strip Force	peak force	≥1.3，≤8.9	[N]
Dynamic Stress Corrosion Susceptibility Paraeter（nd, typical）	--	20	--

Multi-mode Optical Fiber OM4

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Product Tag

OM4 Ultra-bend-resistant Multimode Fiber

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Contact Info

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Address

90 Yangtanggang Road, Economic Development Zone, Jurong City, Jiangsu Province, China
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Tel

+86-15651923699
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E-mail

shenwei@orientalfiber.com