G.657.A1 Bend-insensitive Single-mode Optical Fiber
Negotiable
China
No.1 Longwei Road, Longshan Office, Wendeng District, Weihai City, Shandong Province
15143131788
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Product Introduction

Product Description:

The bend-insensitive single-mode optical fiber (G.657.A1) possesses all the characteristics of non-dispersion shifted single-mode optical fiber, with superior bending performance, suitable for transmission across the full wavelength range of 1260~1625nm. Under long-wavelength conditions, the bending radius can be as small as 10mm.

Implementation Standards:

Meets and exceeds the technical specifications for ITU-T recommended G.652.D/G.657.A and IEC 60973-2-50 B1.3 optical fibers.

Product Features:

Eliminates the 1383nm water peak absorption, enabling transmission across the full 1260~1625nm wavelength range; excellent bending performance, suitable for applications with special bending radius requirements; fully compatible with existing G.652.D optical fibers; superior geometric dimensions, ensuring low splicing loss and high splicing performance; excellent PMD coefficient, meeting the requirements for long relay distances and high-speed transmission systems.

Product Applications:

Applicable to various optical cable structures; supports transmission across the full 1260~1626nm wavelength range; used in FTTH high-speed optical routing; suitable for optical cables, small-sized optical cables, and optical fiber devices with small bending radius requirements, as well as applications requiring the L-band.

Product Parameters

Fiber performance

Name of main index

Technical parameters

Geometric performance

Cladding diameter

Coating diameter

Outer coating/cladding concentricity error (OCE)

Inner coating/cladding concentricity error (PCE)

Core/cladding concentricity error (ECC)

Clam out-of-roundness

Coating out-of-roundness

Warp (bend radius)

125.0±0.7μm

242±7μm

≤ 12μm

≤ 0.5μm

≤ 0.7%

≤ 3%

≥ 4m

Optical Performance

Mode field diameter (MFD)1310nm

Mode field diameter (MFD)1550nm

1310nm attenuation coefficient

1550nm attenuation coefficient

1383nm attenuation coefficient (after hydrogen aging)

1625nm attenuation coefficient

Maximum attenuation in the range 1285-1330nm vs. 1310nm attenuation

Maximum attenuation in the range of 1525-1575nm compared to 1550nm attenuation

1310nm attenuation discontinuity

1550nm attenuation discontinuity

Zero dispersion wavelength

Zero dispersion slope

1550nm dispersion coefficient

optical cable cutoff wavelength

Polarization mode dispersion $(PMD)$

8.6±0.4μm

9.8±0.5μm

≤0.350dB/km

≤0.210dB/km

≤0.350dB/km

≤0.230dB/km

≤0.05dB/km

≤0.05dB/km

≤ 0.05dB

≤ 0.05dB

1312±12nm

≤0.091ps/(nm2*km)

≤18ps/(nm*km)

≤ 1260nm

≤0.2ps/√km

Mechanical properties

Screening tension

Coating peeling force

Dynamic fatigue parameter Nd

1%

> 9N

≥ 100kpsi

1 ≤Faverage ≤ 5N

1.3 ≤Fpeak ≤ 8.9N

≥ 20

Environmental performance

Temperature cycling additional attenuation (-60 ℃ to 85 ℃)

Additional attenuation of humidity temperature cycle (-10℃ to 85℃, relative humidity 98%)

Additional attenuation in water immersion (23℃,30 days)

Additional attenuation of damp heat (85℃, relative humidity 85%, 30 days)

Additional attenuation of dry heat aging (85℃, 30 days)

≤0.05 dB/km

≤0.05dB/km

≤0.05dB/km

≤0.05 dB/km

≤0.05dB/km

Bending performance

10 turns Φ30mm, 1550nm

10 turns Φ32mm, 1625nm

1 circle Φ20mm, 1550nm

1 circle Φ20mm, 1625nm

≤ 0.25dB

≤ 1dB

≤ 0.75dB

≤ 1.5dB

Fiber length

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2.1~61km