G.657A1 Bending Insensitive Single-Mode Optical Fiber
A G.657A1 bending-insensitive single-mode fiber, trench-assisted cladding, to ITU-T G.657 and IEC 60793-2-50, for FTTH and indoor cabling.
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 trench structure; Coating: UV-curable acrylate polymer
Typical Application Scenarios
Fiber to the Home (FTTH), Fiber to the Building (FTTB), access networks, in-building wiring, bend-intensive environments
Core Functions
Enhanced bending resistance for tight bend installations, compatible with G.652D fiber, low macro-bending loss
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: ≤ 0.5 dB for 1 turn with 10mm radius, ≤ 0.1 dB for 100 turns with 30mm radius
Operating Temperature: -40°C to +85°C