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G.657.B3 Ultra Bending Insensitive Single-mode Fibre

Details

Specifications

 

Characteristics

Conditions

Specified values

Units

Optical Characteristics

Attenuation

1310nm

≤0.35

[dB/km]

1383nm(after H2-aging)

≤0.35

[dB/km]

1550nm

≤0.21

[dB/km]

1625nm

≤0.23

[dB/km]

Attenuation vs. Wavelength

Max. α difference

1285-1330nm, in reference to 1310nm

≤0.03

[dB/km]

1525-1575nm, in reference to 1550nm

≤0.02

[dB/km]

Zero Dispersion Wavelength(λ0)

--

1300-1324

[nm]

Zero Dispersion Slope(S0)

--

≤0.092

[ps/(nm2·km)]

PMD

Maximum Individual Fibre

--

≤0.1

[ps/√km]

Link Design Value(M=20,Q=0.01%)

--

≤0.06

[ps/√km]

Typical Value

--

0.04

[ps/√km]

Cable Cutoff Wavelength (λCC)

--

≤1260

[nm]

Mode Field Diameter(MFD)

1310nm

8.2-9.0

[μm]

1550nm

9.1-10.1

[μm]

Effective Group Index of Refraction(Neff )

1310nm

1.468

--

1550nm

1.469

--

Point Discontinuities

1310nm

≤0.05

[dB]

1550nm

≤0.05

[dB]

Geometrical Characteristics

Cladding Diameter

--

125.0±0.7

[μm]

Cladding Non-Circularity

--

≤0.7

[%]

Coating Diameter

--

235-245

[μm]

Coating-Cladding Concentricity Error

--

≤12.0

[μm]

Coating Non-Circularity

--

≤6.0

[%]

Core-Cladding Concentricity Error

--

≤0.5

[μm]

Curl(radius)

--

≥4

[m]

Delivery Length

--

Up to 25.2

[km/reel]

Environmental Characteristics

1310nm, 1550nm & 1625nm

Temperature Dependence Induced Attenuation

-60℃ to +85℃

≤0.05

[dB/km]

Temperature-Humidity Cycling Induced Attenuation

-10°C to +85°C, 98% RH

≤0.05

[dB/km]

Watersoak Dependence Induced Attenuation

23°C,for 30 days

≤0.05

[dB/km]

Damp Heat Dependence Induced Attenuation

85°C and 85% RH,for 30 days

≤0.05

[dB/km]

Dry Heat Aging

85℃,for 30 days

≤0.05

[dB/km]

Mechanical Specification

Proof Test

--

≥9.0

[N]

--

≥1.0

[%]

--

≥100

[kpsi]

Macro-bend Induced Loss 1 Turn Around a Mandrel of 10 mm Radius 1550nm ≤0.03 [dB]
1 Turn Around a Mandrel of 10 mm Radius

1625nm

≤0.1

[dB]

1 Turn Around a Mandrel of 7.5 mm Radius

1550nm

≤0.08

[dB]

1 Turn Around a Mandrel of 7.5 mm Radius

1625nm

≤0.25

[dB]

1 Turns Around a Mandrel of 5 mm Radius

1550nm

≤0.15

[dB]

1 Turns Around a Mandrel of 5 mm Radius

1625nm

≤0.45

[dB]

Coating Strip Force

typical average force

1.5

[N]

peak force

1.3-8.9

[N]

Dynamic Fatigue Parameter(nd)

--

≥20

--

 

Applications

• All types of fibre patch cord with different structures

• High speed optical routes for Fibre-To-The-Home(FTTH) networks

• Cables with extreme low bending requirements

• Small-sized optical component

 

Product standards

GL® Ultra fibre's macrobending performance and optical performance are superior to those recommended in ITU-T G.657.B3 and IEC 60793-2-50 B6.b3. Down to 5 mm bending radius, GL® Ultra can meet the complex installation conditions in MDU and FTTH, such as wall corner, stapling, high load tension, etc.

 

Characteristics

⛥ Superior to standard ITU-T G.657.B3 fibre, bending radius down to as small as 5mm and full compatibility with all G.652.D fibres

Low attenuation satisfying the operation demand in O-E-S-C-L band

Low bending loss for highly demanding cable designs including ribbons

Accurate geometrical parameters and large MFD which insure low splicing loss and high splicing efficiency

High nd value satisfying long service life in minimum bend radius

 

 

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