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  Single Mode 9/125 G655
Model:Single Mode 9/125 G655
This Single-Mode is comprehensively optimized for attenuation and dispersion performance at the 1550nm operating wavelength. The fiber has the lowest attenuation and moderate dispersion at 1550nm, which enables excellent performance in multi-channel Dense Wavelength Division Multiplex (DWDM) systems traditionally operating in the C-band (1530nm-1565nm), as well as in emerging L-band (1565nm-1625nm) systems.
 
 
   
G655-2
G655-2
 

The fiber complies with or exceeds the ITU-T Recommendation G.655 Optical Fiber Specification.


The fiber is suitable for application of high output power Erbium Doped Fiber Amplifier (EDFA) and multi-channel Dense Wavelength Division Multiplex (DWDM) and can be effectively applied in the high bit-rate both single-and multi-channel, long distance digital transmission links even without dispersion compensation.


CHARACTERISTIC

CONDITION

SPECIFIC VALUE

UNIT

Optical Characteristics


Attenuation

1550 nm

≤0.22

[dB/km]

1625 nm

≤0.24

Attenuation vs. Wavelength Max. α Difference

1525-1575 nm

≤0.02

[dB/km]

Dispersion Coefficient

1530-1565 nm

≥2.0 ≤6.0

[ps/(nm.km)]

1565-1625 nm

≥4.5 ≤11.2

Zero Dispersion Wavelength


≤1520

[nm]

Dispersion Slope at 1550nm

Typical value


≤0.084

[ps/(nm².km)]

Typical Dispersion Slope at 1550nm

 


0.075

[ps/(nm².km)]

PMD

Maximum Individual Fiber


≤0.20

[ps/√km]

Link Design Value (M=20, Q=0.01%)


≤0.08

Typical Value


0.04

Cable Cutoff Wavelength λсс

 


≤1450

[nm]

Mode Field Diameter (MFD)

1550 nm

 

9.1~10.1

[µm]

Effective Group Index of Refraction (Neff)

1550 nm

 

1.469


1625 nm

 

1.469


Point Discontinuities

 

1550 nm

 

≤0.05

[dB]

Macro Bending Induced Attenuation




1 Turn Around a Mandrel @ 16mm Radius

1550 nm

≤0.05

[dB]

100 Turns Around a Mandrel @ 25mm Radius

1310 nm & 1550 nm

≤0.05

[dB]

100 Turns Around a Mandrel @ 30mm Radius

1625 nm

≤0.05

[dB]

Geometrical Characteristics

Cladding Diameter


125.0±0.7

[µm]

Cladding Non-Circularity


≤1.0

[%]

Coating Diameter


245±7

[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


2.1 to 25.2

[km/reel]

Environmental Characteristics

1550 nm & 1625 nm

Temperature Dependence (Induced Attenuation)

- 60°C to +85°C

≤0.05

[dB/km]

Temperature Humidity Cycling (Induced Attenuation)

-10°C to +85°C, 98% RH

≤0.05

[dB/km]

Damp Heat Dependence (Induced Attenuation)

85°C and 85% RH, for 30days

≤0.05

[dB/km]

Water Soak Dependence (Induced Attenuation)

23°C, for 30days

≤0.05

[dB/km]

Dry Heat Aging

85°C

≤0.05

[dB/km]

Mechanical Characteristics

Proof Test


≥9.0

[N]


≥1.0

[%]


≥100

[Kpsi]

Coating Strip Force

Typical Average Force

1.5

[N]

Peak Force

≥1.3 & ≤8.9

[N]

Dynamic Stress Corrosion Susceptibility Parameter (Nd,   Typical)

≥20




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