G.657 Single-Mode Fiber G.657A1
G.657 single-mode fiber offers improved macrobending resistance. This bend-insensitive, low-water-peak fiber fully supports O+S+C+L-band transmission (1260~1625nm). Low polarization mode dispersion (PMD) meets high-speed, long-distance transmission requirements. Three categories are available: G.657A1, G.657A2 and G657B3.
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Overview
G.657 single-mode fiber offers improved macrobending resistance. This bend-insensitive, low-water-peak fiber fully supports O+S+C+L-band transmission (1260~1625nm). Low polarization mode dispersion (PMD) meets high-speed, long-distance transmission requirements. Three categories are available: G.657A1, G.657A2 and G657B3.
Specifications
| Parameter | Value |
|---|---|
| Attenuation [1310nm] | ≤0.35 dB/km |
| Attenuation [1383nm (after Hydrogen Aging)] | ≤0.34 dB/km |
| Attenuation [1550nm] | ≤0.22 dB/km |
| Attenuation [1625nm] | ≤0.23 dB/km |
| Attenuation Variation with Wavelength [1285~1330nm relative to 1310nm] | ≤0.03 dB/km |
| Attenuation Variation with Wavelength [1525~1575nm relative to 1550nm] | ≤0.02 dB/km |
| Zero-Dispersion Wavelength | 1300~1324 nm |
| Zero-Dispersion Slope | ≤0.092 ps/(nm2.km) |
| Polarization mode dispersion coefficient PMD. ***Maximum single-fiber PMD; fiber-link value (M=20,Q=0.01%); typical value. | ≤0.20 ≤0.10 0.04 |
| Optical Cable Cutoff Wavelength λcc | ≤1260 nm |
| Mode field Diameter MFD [1310nm] | 8.7±0.4 μm |
| Mode field Diameter MFD [1550nm] | 9.9±0.5 μm |
| Attenuation Discontinuity [1310nm] | ≤0.05 dB |
| Attenuation Discontinuity [1550nm] | ≤0.05 dB |
| Cladding diameter | 125±0.7 μm |
| Cladding Noncircularity | ≤0.7 % |
| Coating Diameter | 245±10 μm |
| Coating/Cladding Concentricity Error | ≤12.0 μm |
| Core/Cladding Concentricity Error | ≤0.5 μm |
| Warpage (Radius) | ≥4 m |
| Temperature-Induced Additional Attenuation [1310nm&1550nm&1625nm; -60℃ ~+85℃] | ≤0.03 dB/km |
| Temperature ~ Additional Attenuation from Humidity Cycling [1310nm&1550nm&1625nm; -10℃ ~+85℃, 98% Relative Humidity] | ≤0.03 dB/km |
| Water-Immersion Additional Attenuation [1310nm&1550nm&1625nm; 23℃, 30 days] | ≤0.03 dB/km |
| Damp-Heat Additional Attenuation [1310nm&1550nm&1625nm; 85℃ and 85% relative humidity for 30 days] | ≤0.03 dB/km |
| Dry-Heat Aging [1310nm&1550nm&1625nm; 85℃, 30 days] | ≤0.03 dB/km |
| Proof-Test Tension | ≥9.0 N |
| Macrobending 10 Turns Ф30mm [10 turns Ф30mm; 1550nm] | ≤0.25 dB |
| Macrobending 10 Turns Ф30mm [10 turns Ф30mm; 1625nm] | ≤1.0 dB |
| Macrobending 1 Turns Ф20mm [1 turn Ф20mm; 1550nm] | ≤0.75 dB |
| Macrobending 1 Turns Ф20mm [1 turn Ф20mm; 1625nm] | ≤1.5 dB |
| Peel force [Average value] | 1.0~5.0 N |
| Peel force [Peak] | 1.3~8.9 N |
| Dynamic Fatigue Parameter | ≥20 |
| Delivery length | 2.1~50.4 km/ Reel |
| Product standard | G.657 Single-Mode Fiber Manufactured to Standards; Quality Exceeds ITU-T G.657, IEC 60793-2-50 Category B6 Fiber Specifications and National Standard GB/T 9771.7 |
Applications
G.657 single-mode fiber for special-purpose short-distance cables; excellent O+S+C+L-band performance; FTTX high-speed optical routing; suitable for cables requiring small bend radii.
Key Features
1. Excellent bend resistance at radii of 5-15mm. 2. Low attenuation across O+S+C+L operating bands. 3. Fully compatible with other G.652 single-mode fibers. 4. Low polarization-mode dispersion (PMD) for high-rate long-distance transmission. 5. Precise geometry ensures low fusion-splice loss and high splicing efficiency.
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Supplier Information
Shandong Xinke Kaibang Communication Equipment Co., Ltd., located in Heze City, Shandong Province, is a high-tech enterprise dedicated to the professional research, development, and manufacturing of communication optical cables, communication cables, control cables, and photoelectric composite cables. Its products are widely used in communication operators, data cloud computing centers, rail transit, highways, mines, electric power, metallurgy, petrochemicals, medical care, water conservancy, ships, marine exploration, national defense, and nuclear industry, etc.
The company was established in 2017 with a registered capital of 110 million yuan and covers an area of 58,000 square meters. Since its establishment, the company has adhered to Beijing as the brand center, Shandong as the production base, and Shenzhen as the foreign trade window, continuously innovating around customer needs and technological leadership to create value for customers.
The company's main products include more than ten series such as halogen-free low-smoke series, flame-retardant series, fire-resistant series, intrinsically safe series, high-temperature resistant series, radiation-resistant series, etc., including communication optical cables, control cables, communication cables, railway signal cables, instrument signal cables, mining cables, marine cables, nuclear-grade cables, special-purpose cables, photoelectric composite cables, etc. In addition to complying with national standards (GB), Ministry of Coal standards (MT), International Electrotechnical Commission standards (IEC), British standards (BS), German standards (VDE), and other domestic and international standards, the company can also design and manufacture various non-standard, special requirements, and innovative optical cable products according to user requirements.
The company has excellent production lines and inspection equipment, an independent product R&D center, and a testing laboratory. It always adheres to the business philosophy of market orientation, technology reliance, and quality survival, continuously developing new products. It has successfully developed temperature-sensing monitoring optical cables, vibration-sensing optical cables, radio frequency photoelectric composite cables, camera-specific composite cables, fire-resistant and radiation-resistant optical cables, mining quick connectors, mining photoelectric composite cables, etc.; and has obtained more than 60 utility model patents and multiple invention patents.
The company has successively obtained quality system certification, environmental management system certification, occupational health system certification, energy management system certificate, information security management certificate, national industrial product license certificate, national compulsory product certification CCC certificate, and product manufacturing certificate from the General Armaments Department, etc.; products have obtained more than 40 "TLC certifications", "radio and television certifications", and more than 70 "mining product safety mark certificates". At the same time, it has won honors such as: Shandong Province "High-tech Enterprise", Shandong Province "Specialized and New Enterprise", Shandong Province "Technology-based Small and Medium-sized Enterprise", Shandong Province "Green Factory", Heze City "Specialized and New" Small and Medium-sized Enterprise, Heze City "Key Laboratory", Heze City "Technology Innovation Center", etc., and has been rated as a "contract-honoring and credit-worthy" unit for many consecutive years.
The company upholds the quality policy of "technological innovation, honest service, continuous improvement, customer satisfaction" and has established a complete product quality control system. Full-process quality control and continuous improvement enhance product quality levels. Maintaining customer-centricity, with "integrity and diligence, technological innovation, respect for talent, and collaborative friendship" as the cultural core, to repay the love and support of users and friends from all walks of life.
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