G657A2,Bending Insensitive Single-mode Fiber

Fiber Specifications

Feature

Condition

Specified value

Unit

Optical properties

Attenuation

1310nm

≤0.350

[dB/km]

1383nm (after H2 aging)

≤0.350

[dB/km]

1550nm

≤0.210

[dB/km]

1625nm

≤0.230

[dB/km]

Attenuation vs Wavelength

1285-1330nm, reference 1310nm

≤0.05

[dB/km]

maximum. alpha difference

1525-1575nm, reference 1550nm

≤0.05

[dB/km]

Dispersion coefficient

1288-1339

≤3.5

[ps/(nm·km)]

1271-1360

≤5.3

[ps/(nm·km)]

1550nm

≤18

[ps/(nm·km)]

1625nm

≤22

[ps/(nm·km)]

Zero dispersion wavelength (λ0)

--

1300-1324

[nm]

Zero dispersion slope (S0)

--

≤0.092

[ps/(nm2·km)]

PMD maximum single fiber

--

≤0.1

[ps/√km]

Cable Cutoff Wavelength (λCC)

--

≤1260

[nm]

Mode field diameter

1310nm

8.4-9.2

[μm]

point discontinuity

1310nm

≤0.05

[dB]

1550nm

≤0.05

[dB]

Geometric Features

Cladding diameter

--

125.0±1.0

[μm]

Cladding non-circularity

--

≤1.0

[%]

Coating diameter

--

238-250

[μm]

Coating-Clad Concentricity Error

--

≤12.0

[μm]

Coating out-of-roundness

--

≤6.0

[%]

Core-Clad Concentricity Error

--

≤0.6

[μm]

curl (radius)

--

≥4

[m]

delivery length

--

Up to 50.4

[km/reel]

environmental characteristics

1310nm, 1550nm and 1625nm

Attenuation due to temperature dependence

-60°C to +85°C

≤0.05

[dB/km]

Attenuation due to temperature and humidity cycling

-10°C to +85°C, 98% relative humidity

≤0.05

[dB/km]

flooding-dependent induced decay

23°C, 30 days

≤0.05

[dB/km]

damp heat dependent decay

85°C and 85% relative humidity, 30 days

≤0.05

[dB/km]

dry heat aging

85℃, 30 days

≤0.05

[dB/km]

Mechanical Specifications

proof test

--

≥1.0

Gpa

Peak coating streak force

--

1.0-8.9

[N]

Macrobend induced attenuation

10 Turns ,15 mm Radius

1550nm

≤0.03

[dB]

10 Turns ,15 mm Radius

1625nm

≤0.1

[dB]

1 Turn , 10 mm Radius

1550nm

≤0.1

[dB]

1 Turn ,10 mm Radius

1625nm

≤0.2

[dB]

1 Turn , 7.5 mm Radius

1550nm

≤0.5

[dB]

1 Turn , 7.5mm Radius

1625nm

≤1.0

[dB]

Coating peel force

Typical mean force

1.5

[N]

peak force

1.3-8.9

[N]

Dynamic fatigue parameters (nd)

--

≥20

--