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G.657A2 Om4 Single Mode Fiber Bend Insensitive Fiber Cable Access Network

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G.657A2 Om4 Single Mode Fiber Bend Insensitive Fiber Cable Access Network

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Brand Name :	TC
Model Number :	Singlemode G.657A2

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G.657A2 Om4 Single Mode Fiber Bend Insensitive Fiber Cable Access Network

Product Application

Bend insensitive singlemode fiber for access network boasts all the features that the non-dispersion shifted one has, and enjoys even more excellent bending performance at 1260nm-1625nm transmission wavelength.

In conditions that long wavelength bending is required, its bend radius is minimized to 7.5mm, while its additional attenuation at 1625nm wavelength is 0.8dB. The fiber applies for different structures of fiber optic cables, especially for tight buffered cable and drop cable, ideal for Fiber to the Home (FTTH) and Fiber to the Building (FTTB).

Product Features

Bend insensitive singlemode fiber for access network exceeds the parameters specified in ITU-T Recommendation G.652.D/G.657.A2 and IEC60973-2-50 B1.3/B6 Standards.

It invests in VAD technology, which results in single-mode fibers' stable refractive-index profile, precise geometric siz,e and extremely good bending performance. The singlemode fiber has completely eliminated water absorption around 1383nm, providing expanded transmission wavelengths from 1260nm to 1625nm; its superior bending performance can meet the special demands on the bend radius; it is compatible with the existing fibers under G.652.D Standards; its precise geometric size ensures low loss and high strength splice; what's more, its PMD contributes a lot to the long- and medium distance high data rate transmission.

Technical Details

Mechanical Properties	Conditions	Unit	Value
Tension Testing		%	≥1.02
		N	≥9.1
		Gpa	≥0.704
Coating Stripping Force	Peak value Typical average value	N N	1.3-8.9
Coating Stripping Force	Peak value Typical average value	N N	1.9
Tensile Strength	Weibull Probability 50％ Weibull Probability 15％	Mpa Mpa	≥4000
Tensile Strength	Weibull Probability 50％ Weibull Probability 15％	Mpa Mpa	≥3050
Dynamic Fatigue Parameter (Nd)			≥20

Macrobend Loss	Conditions	Unit	Value
10 Circles Φ30mm	1550nm	dB	≥0.3
10 Circles Φ30mm	1625nm	dB	≥0.1
10 Circles Φ20mm	1550nm	dB	≥0.1
10 Circles Φ20mm	1625nm	dB	≥0.2
10 circles Φ15mm	1550nm	dB	≥0.4
10 circles Φ15mm	1625nm	dB	≥0.8

Optical Properties	Conditions	Unit	Value
Attenuation	1310nm	dB/km	≤0.36
	1550nm	dB/km	≤0.22
	1383nm	dB/km	≤0.35
	1310-1625nm	dB/km	≤0.36
Zero Dispersion Wavelength		nm	1300-1322
Zero Dispersion Slope		ps/(nm·km)	≤0.091
Typical Value of Zero Dispersion Slope		ps/(nm·km)	0.086

Polarization Mode Dispersion (PMD)	Conditions	Unit	Value
Single Fiber Max. Value		PS/√km	0.2
PMD Link Value (M = 20, Q = 0.01%)		PS/√km	0.1
Typical Value		PS/√km	0.04
Cutoff Wavelength λ		nm	≤1260
Cutoff Wavelength λc		nm	1150－1330
Mode Field Diameter (MFD)	1310nm	μm	8.7±0.4
Mode Field Diameter (MFD)	1550nm	μm	9.8±0.5
Effective Refractive Index	1310nm		1.4672
Effective Refractive Index	1550nm		1.4683
Attenuation Discontinuity	1310nm	dB	≤0.03
Attenuation Discontinuity	1550nm	dB	≤0.03

Geometric Properties	Conditions	Unit	Value
Cladding Diameter		μm	125±0.7
Cladding Non-Circularity		％	≤0.8
Core/Cladding Concentricity Deviation		μm	≤0.5
Coating Diameter		μm	245±5
Cladding/Coating Concentricity Deviation		μm	≤12
Coating Non-Circularity		％	≤3.0
Warp Degree		m	≥4

Environment Properties	Conditions	Unit	Value
Additional Attenuation of Temperature Cycle	－60℃ to＋85℃	dB/km	≤0.05
Additional Attenuation of Heat Humidity Aging	85℃, RH85%, 30 days	dB/km	≤0.05
Additional Attenuation of Immersion Aging	23℃, 30 days	dB/km	≤0.05
Additional Attenuation of Dry Heat Aging	85℃, 30 days	dB/km	≤0.05

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