The LUCENT BARE SINGLE MODE FIBER 5km is a bare single-mode optical fiber engineered for telecommunications and networking applications requiring reliable long-distance signal propagation. This 5-kilometer spool meets ITU-T G.652.B and TIA/EIA Class IVA standards, ensuring full compatibility with SMF-28 infrastructure and existing optical networks. The fiber delivers low attenuation across C-band and L-band wavelengths with excellent mechanical strength and environmental stability.
Technical Specifications
Physical Dimensions
• Core Diameter: 8.2 µm or 8.3 µm
• Cladding Diameter: 125 µm ± 1 µm
• Coating Diameter: 245 µm ± 5 µm (dual acrylate)
• Length: 5 km
Optical Performance
• Operating Wavelengths: 1310 nm and 1550 nm
• Numerical Aperture (NA): 0.14 (typical)
• Zero Dispersion Wavelength (λ₀): 1313 nm (range: 1304–1324 nm)
• Zero Dispersion Slope (S₀): 0.086 ps/(nm²•km) (typical)
• Mode-Field Diameter @ 1310 nm: 8.8–9.6 µm
• Mode-Field Diameter @ 1550 nm: 9.9–10.9 µm
• Cut-off Wavelength: 1220–1300 nm
• Attenuation @ 1310 nm: ≤ 0.38 dB/km
• Attenuation @ 1550 nm: ≤ 0.21 dB/km
• Attenuation @ 1383 nm: ≤ 2.1 dB/km
• Point Discontinuity: ≤ 0.10 dB at 1310 nm and 1550 nm
• Polarization Mode Dispersion (PMD): ≤ 0.2 ps/km (typical)
• Macrobend Loss (100 turns, 15 mm mandrel, 1550 nm): ≤ 0.05 dB
Mechanical & Environmental
• Proof Test Strength: ≥ 100 kpsi (0.7 GN/m²)
• Operating Temperature Range: −60°C to +85°C
• Temperature-Humidity Cycling Induced Attenuation: ≤ 0.05 dB/km
• Water Immersion Induced Attenuation (23°C): ≤ 0.05 dB/km
• Heat Aging Induced Attenuation (85°C): ≤ 0.05 dB/km
– Key Features
• Low-loss transmission optimized for 1310 nm and 1550 nm bands
• Superior environmental stability across humidity, temperature, and immersion conditions
• Compliant with IEC 60793-2-50 B1.1 and proven macrobend resistance
• PMD performance suitable for high-speed coherent and conventional systems
– Compatibility & Integration
Full compatibility with SMF-28 fiber networks and legacy telecommunications infrastructure. Standards certification ensures drop-in integration with industry-standard connectorization and splicing practices.
















