Single-mode G657B3 super bending resistant optical fiber

Short Description:

G657B3 is fully compatible with ITU-TG.652.D and IEC60793-2-50B.1.3 optical fibers, and its performance meets the relevant requirements of ITU-TG.657.B3 and IEC 60793-2-50 B6.b3 Therefore, it is compatible and matched with the existing optical fiber network and easier to use and maintain.

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Product Detail

Product Tags

Product Features

● The minimum bending radius can reach 5mm, which is fully compatible with G.652.D fiber.

● Low attenuation, meeting the communication requirements of O-E-S-C-L band.

● Used in various optical cables including ribbon cables, it has extremely low bending additional loss.

● Accurate geometric parameters and large die field diameter ensure low welding loss and high welding efficiency.

● High dynamic fatigue parameters ensure the service life under ultra-small bending radius.

Product Production

Product Application

1. Optical fiber jumpers of various structures

2. FTTX high-speed optical routing

3. Optical cable with small bending radius

4. Small-size optical fiber device and optical device

Product Packaging

Data Sheet

Characteristics		Conditions	Units	Specified values
Optical Characteristics
Attenuation		1310nm	dB/km	≤0.35
		1383nm	dB/km	≤0.35
		1550nm	dB/km	≤0.21
		1625nm	dB/km	≤0.23
Attenuation vs. Wavelength Max. A difference		1285~1330nm, @1310nm	dB/km	≤0.03
Attenuation vs. Wavelength Max. A difference		1525~1575nm, @1550nm	dB/km	≤0.02
Zero Dispersion Wavelength(λ₀)		--	nm	1300~1324
Zero Dispersion Slope(S₀)		--	ps/(nm2·km）	≤0.092
（PMD)	Max. Individual Fiber	--	ps/√km	≤0.1
	Link Design Value（M=20，Q=0.01%)	--	ps/√km	≤0.06
	Typical value	--	ps/√km	0.04
Cable cut-off wavelength（λ_cc)		--	nm	≤1260
Mode Field Diameter（MFD)		1310nm	μm	8.2~9.0
Mode Field Diameter（MFD)		1550nm	μm	9.1~10.1
Effective Group Index of Refraction(Neff)		1310nm		1.468
Effective Group Index of Refraction(Neff)		1550nm		1.469
Point discontinuity		1310nm	dB	≤0.05
Point discontinuity		1550nm	dB	≤0.05
Geometrical Characteristics
Cladding Diameter		--	μm	125.0±0.7
Cladding Non-Circularity		--	%	≤0.7
Coating Diameter		--	μm	235~245
Coating-Cladding Concentricity Error		--	μm	≤12.0
Coating Non-Circularity		--	%	≤6.0
Core-Cladding Concentricity Error		--	μm	≤0.5
Curl(radius)		--	m	≥4
Delivery Length		--	km per spool	Max. 50.4
Mechanical Specifications
Proof Test		--	N	≥9.0
		--	%	≥1.0
		--	kpsi	≥100
Macro-bend Induced Loss	1Turn Around a Mandrel of 10mm Radius	1550nm	dB	≤0.03
	1 Turn Around a Mandrel of 7.5mm Radius	1625nm	dB	≤0.1
	1 Turn Around a Mandrel of 7.5mm Radius	1550nm	dB	≤0.08
	1 Turn Around a Mandrel of 7.5mm Radius	1625nm	dB	≤0.25
	1 Turn Around a Mandrel of 5mm Radius	1550nm	dB	≤0.15
	1 Turn Around a Mandrel of ,5mm Radius	1625nm	dB	≤0.45
Coating stripping force		Typical average value	N	1.5
Coating stripping force		Peak value	N	1.3~8.9