Dispersion Unshifted Fiber (G.652.B) Manufacturer

Dispersion Unshifted Fiber (G.652.B)

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Optical Fiber & Fiber Patch Cables, Single Mode Optical Fiber

Dispersion unshifted single-mode optical fiber is suitable for wavelengths of 1310nm to 1550nm. The ITU-T regulates Standard Single-Mode Fibers (single-mode fibers with a zero dispersion wavelength of 1.3μm) as G.652 fibers.

Characteristics

Satisfied and superior to the technical requirement of ITU-T G.652.B & IEC B1.1;
Excellent optical performance can meet the transmission requirements of high-efficiency DWDM and CWDM systems;
Excellent PMD coefficient meets the long and middle distance and high efficiency of the transmission system;
Suitable for high-speed, long-distance transmission;
Excellent geometry, reduce weld losses, improving performance;

Application

Applicable to the following optical cable structures: central-tube fiber optical cable, stranded loose tube fiber optical cable, slotted core fiber optical cable, ADSS fiber optical cable, etc.

Technical Specification

Type	Properties	Unit	Value
Geometrical Specifications	Cladding Diameter	μm	125.0 ± 1.0
	Cladding Non-circularity	%	≤1.0
	Coating Diameter	μm	235-249
	Coating-cladding Concentricity	μm	≤ 12
	Coating Non-circularity	%	≤6
	Core-clad Concentricity	μm	≤0.64
	Fiber Curl	m	≥ 4 m
Optical Specifications	1310nmMFD	μm	≤9.6
	1550nmMFD	μm	≤10.9
	1310nmAtt	dB/km	≤0.35
	1383nmAtt	dB/km	>0.354
	1550nmAtt	dB/km	≤0.21
	1625nmAtt	dB/km	≤0.24
	1285-1330nm@1310nm	dB/km	≤0.04
	1525-1575nm@1550nm	dB/km	≤0.03
	Terminal Difference at 1310nm	dB/km	≤0.05
	Terminal Difference at 1550nm	dB/km	≤0.05
	Point Discontinuity at 1310nm	dB	≤0.05
	Point Discontinuity at 1550nm	dB	≤0.05
	Uniformity at 1310nm	dB/km	≤0.05
	Uniformity at 1550nm	dB/km	≤0.05
	Zero Dispersion Wavelength	nm	1300-1324
	Zero Dispersion Slope	ps/(nm2.km)	0.08-0.092
	PMD	ps/(km1/2)	≤0.124
	1285-1339nm@1310	ps/(nm.km)	≤3.5
	1271-136nm@1550	ps/(nm.km)	≤5.3
	Chromatic Dispersion at 1550nm	ps/(nm.km)	14-18
	Chromatic Dispersion at 1625nm	ps/(nm.km)	18-22
	Fiber Cutoff Wavelength	nm	1150-1330
	Cable Cutoff Wavelength	nm	≤1260
	Macro-bend Loss	dB	≤0.1
Mechanical Specification	Proof Test	N	≥8.5
	Strip Force (Peak)	N	1.3-8.9
	Strip Force (Average)	N	1.0-5.0
	Dynamic Tensile Strength (15%)	Gpa	≥3.05
	Dynamic Tensile Strength (50%)	Gpa	≥3.72
	Dynamic Fatigue(Nd)		≥20
Environmental Specifications	Temperature Humidity Cycling at 1310nm	dB/km	≤0.05
	Temperature Humidity Cycling at 1550nm	dB/km	≤0.05
	Water Immersion at 1310nm	dB/km	≤0.05
	Water Immersion at 1550nm	dB/km	≤0.05
	Damp Heat at 1310nm	dB/km	≤0.05
	Damp Heat at 1550nm	dB/km	≤0.05
	Heat Aging at 1310nm	dB/km	≤0.05
	Heat Aging at 1550nm	dB/km	≤0.05
Reel length: >24.00km with multiples of 2.1km.

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