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Single-mode Fiber

Single-mode Fibre G.652D

Low water peak dispersion unshifted Single-mode fibre is designed specially for optical transmission systems operating over the entire wavelength window from 1260 nm to 1625 nm. By suppressing the water peak that occurs near 1383 nm in conventional single mode fibre due to hydroxyl (OH-) ions absorption, fibre is able to open E-band (1360-1460nm) for operation, and consequently provides 100 nm more usable wavelengths.

    Applications

    Thanks to its broad usable optical spectrum and outstanding optical performance, fibre is the optimum choice that supports various applications such as Ethernet, Internet Protocol (IP), Asychronous Transfer Mode (ATM), Synchronous Optical Network (SONET) and Wavelength Division Multiplexing (WDM). Fibre provides more bandwidth for backbone, metropolitan area and access networks.


    Standards

    Fibre complies with or exceeds the ITU-T Recommendation G.652D and the IEC 60793-2-50 type B1.3 Optical Fibre Specification.

    Tightens many parameters of fibre products so as to offer more conveniences to customers.


    Characteristics

    Designed for operation over the full optical spectrum from 1260-1625 nm, which provides 50% more usable wavelengths and hence the transmission capacity is increased

    Outstanding optical performance supporting high-speed transmission technologies such as DWDM and CWDM

    Being compatible with existing 1310 nm equipment

    Good protection and excellent strip force stability

    Accurate geometrical parameters that insure low splicing loss and high splicing efficiency


    Specifications

    Characteristics

    Conditions

    Specified values

    Units

    Optical Characteristics

     Attenuation

    1310nm

    ≤0.34

    [dB/km]

    1383nm (after H2-aging)

    ≤0.34

    [dB/km]

    1550nm

    ≤0.20

    [dB/km]

    1625nm

    ≤0.24

    [dB/km]

    Attenuation vs. Wavelength

    Max. α dierence

    1285-1330nm, in reference to 1310nm

    ≤0.03

    [dB/km]

    1525-1575nm, in reference to 1550nm

    ≤0.02

    [dB/km]

    Dispersion Coecient

    1285-1340nm

    -3.5 to 3.5

    [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)]

    Typical Value

    --

    0.086

    [ps/(nm2·km]

    PMD

    Maximum Individual Fibre

    --

    ≤0.1

    [ps/√km]

    Link Design Value

    M=20Q=0.01%)

    --

    ≤0.06

    [ps/√km]

    Typical Value

    --

    0.04

    [ps/√km]

    Cable Cuto Wavelength (λCC)

    --

    ≤1260

    [nm]

    Mode Field DiameterMFD

    1310nm

    8.7-9.5

    [μm]

    1550nm

    9.8-10.8

    [μm]

    Eective Group Index of RefractionNe 

    1310nm

    1.466

    --

    1550nm

    1.467

    --

    Point Discontinuities

    1310nm

    ≤0.05

    [dB]

    1550nm

    ≤0.05

    [dB]

    Geometrical Characteristics

    Cladding Diameter

    --

    125.0±0.7

    [μm]

    Cladding Non-Circularity

    --

    ≤1.0

    [%]

    Coating Diameter

    --

    235-250

    [μm]

    Coating-Cladding Concentricity Error

    --

    ≤12.0

    [μm]

    Coating Non-Circularity

    --

    ≤6.0

    [%]

    Core-Cladding Concentricity Error

    --

    ≤0.6

    [μm]

    Curl(radius)

    --

    ≥4

    [m]

    Delivery Length

    --

    Up to 50.4

    [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]

    Water Immersion Dependence Induced Attenuation

    23°Cfor 30 days

    ≤0.05

    [dB/km]

    Damp Heat Dependence Induced Attenuation

    85°C and 85% RHfor 30 days

    ≤0.05

    [dB/km]

    Dry Heat Aging

    85℃, for 30 days

    ≤0.05

    [dB/km]

    Mechanical Specifications

     Proof Test

    --

    ≥9.0

    [N]

    --

    ≥1.0

    [%]

    --

    ≥100

    [kpsi]

    Macro-bend Induced Attenuation

    100 Turns Around a Mandrel of 30 mm Radius

    1625nm

    ≤0.05

    [dB]

    100 Turns Around a Mandrel of 25 mm Radius

    1310nm and 1550nm

    ≤0.05

    [dB]

    1 Turn Around a Mandrel of 16 mm Radius

    1550nm

    ≤0.05

    [dB]

    Coating Strip Force

    typical average force

    1.5

    [N]

    peak force

    1.3-8.9

    [N]

    Dynamic Fatigue Parameter(nd)

    --

    ≥20

    --

     

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