G.657A2
G.657A2
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Micron scale capillary glass tube
Micron scale capillary glass tube
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G.657B3

Bend-insensitive single-mode fiber, manufactured through specialized processes, is engineered for fiber-to-the-home (FTTH), enterprise intranet networks, and applications requiring ultra-low bending radius communication. Its performance surpasses ITU-TG.657.B3 standards, delivering minimal bending-induced attenuation even at 5mm radii. This innovation addresses installation challenges in complex indoor/outdoor environments, including wall corner bends, patch cord terminations, and high-tension cable conditions, ensuring stable communication system operation.

Consulting Product

Product Details

G.657B3 Single-mode fiber with low bending sensitivity

product description

Bend-insensitive single-mode fiber, manufactured through specialized processes, is engineered for fiber-to-the-home (FTTH), enterprise intranet networks, and applications requiring ultra-low bending radius communication. Its performance surpasses ITU-TG.657.B3 standards, delivering minimal bending-induced attenuation even at 5mm radii. This innovation addresses installation challenges in complex indoor/outdoor environments, including wall corner bends, patch cord terminations, and high-tension cable conditions, ensuring stable communication system operation.

operative norm

It meets and exceeds the relevant requirements of ITU-TG.657.B3 and IEC 60793-2-50 B6.b3, thus achieving compatibility with the existing optical fiber network and matching more easily for customer use and maintenance.

Product Features

· Exceeds ITU-TG.657.B3 standard requirements with a minimum bending radius of 5mm, attenuating signals to meet O-E-S-C-L band communication needs.

· Can be used in a variety of optical cables including ribbon optical cables, with very low bending additional loss;

· Precise geometric parameters and large mode field diameter ensure low welding loss and high welding efficiency;

· High dynamic fatigue parameters ensure service life under ultra-small bending radius.

Product Application

Fiber optic patch cords of various structures, FTTX high-speed optical routing, optical cables with small bending radius requirements, and small-sized fiber optic devices and optical components.

Technical Specifications

Optical fiber performance Main indicator name technical parameter
Geometry cladding diameter 125.0±0.7μm
Coating Diameter 235-245μm
Coating/Cladding concentricity error ≤12.0μm
Core/Cladding concentricity error (ECC) ≤0.5μm
non-circularity of cladding ≤0.7%
Coating roundness ≤6.0%
Bend radius ≥4m
optical performance Magnetic field diameter (MFD) 1310nm (6.3-9.5) ±0.4μm
Magnetic field diameter (MFD) 1550nm 9.1-10.1μm
1310nm discount factor ≤0.35dB/km
1550nm discount factor ≤0.21dB/km
1625nm discount factor ≤0.23dB/km
Maximum attenuation in the 1285-1330nm range versus 1310nm attenuation ≤0.03dB/km
Maximum attenuation in the 1525-1575nm range versus 1550nm attenuation ≤0.02dB/km
1310nm attenuation discontinuity ≤0.05dB
1550nm attenuation discontinuity ≤0.05dB
zero dispersion wavelength 1300-1324nm
zero dispersion slope ≤0.092ps/(nm2*km)
Optical fiber cutoff wavelength ≤1260nm
Polarization mode dispersion (PMD) maximum per fiber ≤0.1ps/√km
Polarization mode dispersion (PMD) fiber link value (M=20, Q=0.01%) ≤0.06ps/√km
Typical values of polarization mode dispersion (PMD) 0.04ps/√km
mechanical behavior Filter tension ≥9.0N≥1.0%≥100 kpsi
Coating peeling force typical average 1.5N
Peel strength peak 1.3-8.9N
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 1 circle, radius 10mm, 1550nm ≤0.03dB
1 circle, radius 10mm, 1625nm ≤0.1dB
1 circle, radius 7.5mm, 1550nm ≤0.08dB
1 circle, radius 7.5mm, 1625nm ≤0.25dB
1 circle, radius 5mm, 1550nm ≤0.15dB
1 circle, radius 5mm, 1625nm ≤0.45dB
Fiber length Longest 25.2km / Disc

 

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