G.657A2 Bending Insensitive Single-Mode Optical Fiber
A G.657A2 bending-insensitive single-mode fiber, deep trench cladding, to ITU-T G.657 and IEC 60793-2-50, for ultra-bend FTTH and data centers.
Product Introduction
Applicable International Standards
ITU-T G.657, IEC 60793-2-50, Telcordia GR-20-CORE
Core Material Specifications
Core: GeO2-doped high-purity silica glass; Cladding: Pure silica glass with deep trench structure; Coating: UV-curable acrylate polymer
Typical Application Scenarios
Ultra-bend intensive installations, FTTH drop cables, in-wall wiring, small form-factor devices, fiber patch cords
Core Functions
Superior bending resistance for extremely tight bends, backward compatible with G.652D and G.657A1 fibers
Key Technical Parameters
Mode Field Diameter (MFD): 9.2 ± 0.4 μm at 1310nm, 10.4 ± 0.5 μm at 1550nm
Attenuation: ≤ 0.34 dB/km at 1310nm, ≤ 0.20 dB/km at 1550nm
Dispersion: Zero dispersion wavelength 1300-1324nm, zero dispersion slope ≤ 0.092 ps/(nm²·km)
Bending Loss: ≤ 0.1 dB for 1 turn with 7.5mm radius, ≤ 0.5 dB for 1 turn with 5mm radius
Operating Temperature: -40°C to +85°C