The Corning SMF-28 is a single-mode optical fiber manufactured to ITU-T Recommendation G.652 standards, delivering optimized performance across telecommunications, cable television, and data transmission networks. With a 2 km length and core diameter of 8.2 µm, this fiber combines low dispersion and minimal attenuation for reliable long-distance signal propagation. The OVD manufacturing process ensures consistent geometric properties and high mechanical strength across the entire span.
Technical Specifications
• Fiber Type: Single-mode optical fiber
• Standard Compliance: ITU-T Recommendation G.652, TIA/EIA-492CAAA, IEC Publication 60793-2, GR-20-CORE
• Core Diameter: 8.2 µm
• Numerical Aperture (NA): 0.14
• Mode-Field Diameter (MFD): 9.2 ± 0.4 µm at 1310 nm; 10.4–10.7 ± 0.5 µm at 1550 nm
• Zero Dispersion Wavelength (λ0): Typically 1313 nm (range 1300–1324 nm)
• Zero Dispersion Slope (S0): Typically 0.086 ps/(nm²•km); maximum ≤ 0.092 ps/(nm²•km)
• Refractive Index Difference: 0.36%
• Attenuation at 1310 nm: Typically ≤ 0.3 dB/km
• Attenuation at 1550 nm: Typically ≤ 0.2 dB/km
• Attenuation at 1625 nm: ≤ 0.20 dB/km
• Cable Cutoff Wavelength (λcc): ≤ 1260 nm
• Polarization Mode Dispersion (PMD): Maximum individual fiber ≤ 0.1 ps/√km; link design value ≤ 0.04 ps/√km
• Dispersion at 1550 nm: ≤ 18.0 ps/(nm•km)
• Macrobend Loss: ≤ 0.03 dB at 32 mm diameter, 100 turns, 1550 nm; ≤ 0.05 dB at 25 mm radius, 100 turns across 1310–1550 nm
• Point Discontinuity: ≤ 0.10 dB at 1310 nm or 1550 nm
– Key Features
• Optimized for 1310 nm; suitable for TDM and WDM systems at 1550 nm
• Low chromatic dispersion and attenuation enable extended transmission distances
• Superior macrobend loss performance supports compact routing and installation
• PMD specifications ≤ 0.1 ps/√km ensure signal integrity for high-speed applications
– Typical Applications
• Long-haul telecommunications networks
• Cable television distribution systems
• High-speed data transmission
• Wavelength-division multiplexed (WDM) systems
– Compatibility & Integration
Fully compliant with ITU-T G.652 and industry standards TIA/EIA-492CAAA, IEC 60793-2, and GR-20-CORE for interoperability across standard single-mode fiber infrastructure.
