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G.652B Single-Mode Optical Fiber - Mill Direct Supplier
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 piece
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of G.652B Matched-Cladding Single-Mode Optical Fiber
| Property | Parameter | Description |
|---|---|---|
| Product Name | G.652B Matched-Cladding Single-Mode Optical Fiber | Standard single-mode optical fiber with matched cladding design for long-haul and access networks |
| Fiber Type / Grade | G.652B (equivalent to OS1/OS2) | ITU-T G.652B compliant; international equivalents include IEC 60793-2-50 B1.1, TIA-492CAAB |
| Standard Compliance | ITU-T G.652B, IEC 60793-2-50, TIA/EIA-492CAAB, GB/T 9771.1 | Meets international and Chinese national standards for single-mode optical fiber |
| Core / Cladding Diameter | Core: 8.6–9.5 µm; Cladding: 125.0 ± 0.7 µm | Matched-cladding structure ensures low splice loss and stable mode field |
| Mode Field Diameter (MFD) | 9.2 ± 0.4 µm @ 1310 nm; 10.4 ± 0.8 µm @ 1550 nm | Optimized MFD for compatibility with standard connectors and splicing equipment |
| Coating Diameter | 245 ± 10 µm (dual-layer acrylate coating) | Primary and secondary UV-cured acrylate coating for mechanical protection |
| Attenuation | ≤ 0.40 dB/km @ 1310 nm; ≤ 0.30 dB/km @ 1550 nm; ≤ 1.0 dB/km @ 1383 nm (water peak) | Low attenuation across O, E, S, C, L bands; G.652B does not require low water peak |
| Chromatic Dispersion | ≤ 3.5 ps/(nm·km) @ 1285–1330 nm; ≤ 18 ps/(nm·km) @ 1550 nm | Zero dispersion wavelength (λ0): 1300–1324 nm; dispersion slope ≤ 0.092 ps/(nm²·km) |
| Polarization Mode Dispersion (PMD) | PMD coefficient ≤ 0.5 ps/√km (link design value) | Suitable for transmission rates up to 10 Gbit/s per ITU-T G.652B requirements |
| Cutoff Wavelength | Cable cutoff wavelength (λcc) ≤ 1260 nm | Ensures single-mode operation across the full operating wavelength range |
| Tensile Strength (Proof Test) | ≥ 100 kpsi (≥ 0.69 GPa) | 100% proof tested; ensures fiber integrity and long-term mechanical reliability |
| Bend Performance | Macrobend loss ≤ 0.5 dB @ 1550 nm (100 turns, R=30 mm) | Compliant with ITU-T G.652B macrobend requirements for standard installation conditions |
| Operating Temperature | -60°C to +85°C (storage); -40°C to +70°C (operation) | Suitable for outdoor, indoor, aerial, and underground cable applications |
| Fiber Length / Packaging | Standard: 25 km / reel; custom lengths available (5–50 km/reel) | Wound on plastic or wooden reels; moisture-proof packaging with desiccant |
| Application | FTTH, FTTB, long-haul backbone, metro networks, data centers, CATV, telecom access | Widely used in terrestrial and submarine cable systems operating at 1310 nm and 1550 nm windows |
| Certification | ITU-T, IEC, TIA, RoHS, ISO 9001:2015 | Third-party certified; compliant with environmental and quality management standards |
| MOQ | 1 reel (≥ 25 km) | Bulk orders accepted; OEM and custom specifications available upon request |
G.652B Single-Mode Optical Fiber - Mill Direct Supplier
G.652B Matched-Cladding Single-Mode Optical Fiber stands as a cornerstone transmission medium in modern telecommunications infrastructure, engineered to deliver exceptional signal integrity across long-haul and metropolitan network deployments. Compliant with ITU-T G.652B recommendations, this fiber variant features a precisely controlled matched-cladding refractive index profile that minimizes mode field mismatch and reduces splice loss to levels below 0.1 dB under standard fusion conditions. Operating at wavelengths of 1310 nm and 1550 nm, it achieves an attenuation coefficient of ≤0.4 dB/km at 1310 nm and ≤0.2 dB/km at 1550 nm, making it ideally suited for DWDM, CWDM, and conventional SONET/SDH transmission systems. From backbone carrier networks to enterprise fiber-to-the-premises (FTTP) rollouts, this fiber serves critical roles in sustaining high-bandwidth, low-latency data transmission. Our mill-direct supply chain eliminates intermediary markups, delivering cost-effective solutions without compromising on dimensional accuracy or optical performance for global procurement teams and network engineers alike.
What is G.652B Matched-Cladding Single-Mode Optical Fiber?
G.652B Matched-Cladding Single-Mode Optical Fiber is a standardized telecommunications-grade fiber defined by the ITU-T G.652B specification. It features a silica-based core with a nominal diameter of 8.6–9.5 µm and a cladding diameter of 125 ± 1 µm. The matched-cladding design ensures a uniform refractive index gradient between core and cladding, suppressing higher-order modes and enabling single-mode propagation with a cutoff wavelength of ≤1260 nm. It supports both conventional and extended wavelength band operation, making it a versatile backbone fiber for legacy and next-generation optical networks.
G.652B Matched-Cladding Single-Mode Optical Fiber Manufacturing Process
Production of G.652B Matched-Cladding Single-Mode Optical Fiber begins with the fabrication of a high-purity silica preform using Modified Chemical Vapor Deposition (MCVD) or Outside Vapor Deposition (OVD) techniques. Precise dopant control—typically germanium dioxide for the core—establishes the target refractive index difference (Δ) of approximately 0.36%. The preform is then drawn at temperatures exceeding 2000°C in a precision draw tower, achieving a nominal fiber diameter of 125 µm ± 1 µm. Dual-layer UV-cured acrylate coating is applied in-line, yielding a final coating diameter of 245 ± 10 µm, ensuring mechanical robustness and environmental protection throughout the cable's service life.
G.652B Matched-Cladding Single-Mode Optical Fiber Technical Specifications
Key optical and mechanical parameters of G.652B Matched-Cladding Single-Mode Optical Fiber conform strictly to ITU-T G.652B and IEC 60793-2-50 standards. The mode field diameter measures 9.2 ± 0.4 µm at 1310 nm, with a chromatic dispersion coefficient not exceeding 3.5 ps/(nm·km) in the 1285–1330 nm range and ≤18 ps/(nm·km) at 1550 nm. Polarization mode dispersion (PMD) is rated at ≤0.2 ps/√km (link design value). Proof test tensile strength is a minimum of 100 kpsi (0.69 GPa), and the fiber exhibits a bend radius performance of ≤0.1 dB additional loss at a 30 mm diameter mandrel per IEC 60793-1-47, ensuring reliability in tight routing environments.
Get a Competitive Quote for G.652B Single-Mode Optical Fiber
Partner with our mill-direct team to secure premium-grade G.652B Matched-Cladding Single-Mode Optical Fiber at cost-effective rates tailored to your project volume. We provide full traceability documentation, IEC-compliant test reports, and rapid global logistics to meet your deployment timelines. Reach out now to discuss your technical requirements and receive a customized quotation.
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