Products

G657A2 / B6a2 Bend Insensitive Singlemode Bare Optical Fiber

Item No.: Y-FO-FC-032
G657A2 bending insensitive singlemode fiber combines two attractive features: excellent low macro-bending sensitivity and low water-peak level. It is comprehensively optimized for use in O-E-S-C-L band (1260 -1625 nm).
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Description:
G657A2 bending insensitive singlemode fiber combines two attractive features: excellent low macro-bending sensitivity and
low water-peak level. It is comprehensively optimized for use in O-E-S-C-L band (1260 -1625 nm).
The bending insensitive
feature not only guarantees L-band applications but also allows for easy installation without excessive care when storing the
fiber especially for FTTH networks application.



Features:
Full compatibility with all G.652 fibres for any applications
Low attenuation satisfying the operation demand in O-E-S-C-L band
Low bending loss for highly demanding cable designs including ribbons
High nd-value satisfying long operational lifetime in min bend radius
Low PMD satisfying high bit-rate and long distance transmission requirements
Extremely high bending loss resistance in the 7.5 to 15 mm bending radius range

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

Application:

All types of fibre cables with different structures
Cables with extreme low bending requirements
Small-sized fibre cable and optical component
High speed optical routes for Fibre-to-the-Home networks

High performance optical network operating in O-E-S-C-L band





 
Specification:
Parameter values
Optical Characteristics
Attenuation[dB/km] 1310nm ≤0.35
  1383nm(after H2-aging) ≤0.35
  1460nm ≤0.25
  1490nm ≤0.23
  1550nm ≤0.21
  1625nm ≤0.23

Attenuation vs. Wavelength

Max. α difference[dB/km]

1285-1330nm, in reference to 1310nm ≤0.03
  1525-1575nm, in reference to 1550nm ≤0.02
Zero Dispersion Wavelength(λ0)[nm] -- 1300-1324
Zero Dispersion Slope(S0)[ps/(nm2·km)] -- ≤0.092
PMD[ps/√km] Maximum Individual Fiber -- ≤0.1
  Link Design Value(M=20,Q=0.01%) -- ≤0.06
  Typical Value -- 0.04
Cable Cutoff Wavelength (λCC)[nm] -- ≤1260
Mode Field Diameter(MFD)[μm] 1310nm 8.4-9.2
  1550nm 9.3-10.3
Effective Group Index of Refraction(Neff ) 1310nm 1.466
  1550nm 1.467
Point Discontinuities[dB] 1310nm ≤0.05
  1550nm ≤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/reel] -- Up to 50.4
Environmental Characteristics 1310nm, 1550nm & 1625nm
Temperature Dependence Induced Attenuation[dB/km] -60℃ to +85℃ ≤0.05
Temperature-Humidity Cycling Induced Attenuation[dB/km] -10°C to +85°C, 98% RH ≤0.05
Watersoak Dependence Induced Attenuation[dB/km] 23°C, for 30 days ≤0.05
Damp Heat Dependence Induced Attenuation[dB/km] 85°C and 85% RH, for 30 days ≤0.05
Dry Heat Aging[dB/km] 85℃, for 30 days ≤0.05
Mechanical Specification
Macro-bend Induced Attenuation[dB] 10 Turns Around a Mandrel of 15 mm Radius 1550nm ≤0.03
  10 Turns Around a Mandrel of 15 mm Radius 1625nm ≤0.1
  1 Turn Around a Mandrel of 10 mm Radius 1550nm ≤0.1
  1 Turn Around a Mandrel of 10 mm Radius 1625nm ≤0.2
  1 Turn Around a Mandrel of 7.5 mm Radius 1550nm ≤0.5
  1 Turn Around a Mandrel of 7.5 mm Radius 1625nm ≤1.0
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