G.657A1
G.657A1
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G.657B3
G.657B3
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G.657A2

The low-water-peak single-mode fiber (G.657A2), a bend-insensitive type, demonstrates superior macro-bend resistance.

Consulting Product

Product Details

G.657A2 Bending insensitive single mode fiber

product description

The low-water-peak single-mode fiber (G.657A2), a bend-insensitive type, demonstrates superior macro-bend resistance.

operative norm

It meets and exceeds the requirements of ITU-T recommended G.652D/G.657A and IEC60973-2-50 B1.3 optical fiber technical specifications.

Product Features

  • The minimum bending radius can reach 7.5mm, with excellent bending resistance;
  • Fully compatible with G.652 single-mode fiber;
  • Full-band transmission from 1260 to 1625nm;
  • Low polarization mode dispersion meets the needs of high speed and long distance transmission;
  • Used in various optical cables including ribbon optical cables, with very low additional attenuation due to micro-bending;
  • It has high fatigue resistance and ensures service life under small bending radius.

Product Application

· Optical cable for various structures;

· Transmission in the full band of 1260 ~ 1626nm;

· FTTH high-speed optical router;

· Cable specifications for cables with small bending radius requirements, small-diameter cables, and fiber optic components, as well as requirements for L-band applications.

Technical Specifications

Optical fiber performance Main indicator name technical parameter
Geometry cladding diameter 125.0±0.7μm
Coating Diameter 242±7μm
Coating/Cladding concentricity error ≤8μm
Core/Cladding concentricity error (ECC) ≤0.5um
non-circularity of cladding ≤0.7%
Coating roundness ≤2%
Bend radius ≥4m
optical performance Magnetic field diameter (MFD) 1310nm 8.8±0.4μm
Magnetic field diameter (MFD) 1550nm 9.8±0.5μm
1310nm discount factor ≤0.335dB/km
1550nm discount factor ≤0.20dB/km
1383nm attenuation coefficient (after hydrogen aging) ≤0.29dB/km
1625nm discount factor ≤0.21dB/km
Maximum attenuation in the 1285-1330nm range versus 1310nm attenuation ≤0.05dB/km
Maximum attenuation in the 1525-1575nm range versus 1550nm attenuation ≤0.05dB/km
1310nm attenuation discontinuity ≤0.05dB
1550nm attenuation discontinuity ≤0.05dB
zero dispersion wavelength 1312±12nm
zero dispersion slope ≤0.091ps/(nm²*km)
1550nm dispersion coefficient ≤18ps/(nm*km)
Optical fiber cutoff wavelength ≤1260nm
Polarization mode dispersion (PMD) ≤0.2ps/√km
mechanical behavior Filter tension 1% ≥9N ≥100 kpsi
Coating peeling force 1≤F average ≤5N 1.3≤F peak ≤8.9N
Dynamic fatigue parameter Nd ≥20
environmental performance Temperature cycle additional attenuation (-60℃ to 85℃) ≤0.05dB/km
Humidity and temperature cycle with additional attenuation (-10°C to 85°C, 98% relative humidity) ≤0.05dB/km
Water immersion attenuation (23℃,30 days) ≤0.05dB/km
Humid heat additive attenuation (85°C, 85% RH, 30 days) ≤0.05dB/km
Dry heat aging with additional attenuation (85℃,30 days) ≤0.05dB/km
Bending performance 10 rings φ30mm, 1550nm ≤0.03dB
10 rings φ30mm, 1625nm ≤0.1dB
1 circle φ20mm, 1550nm ≤0.1dB
1 circle φ20mm, 1625nm ≤0.2dB
1 circle φ15mm, 1550nm ≤0.5dB
1 circle φ15mm, 1625nm ≤0.1dB
Fiber length 2.1~61km

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