Product Detail
G.652.D Low Loss Single Mode Bare Fiber 9/125μm for OTDR Testing
G.652.D Low Loss Single Mode Bare Fiber is designed for advanced optical transmission systems requiring ultra-low attenuation and extended wavelength operation from 1260nm to 1625nm.
With excellent optical performance, stable geometry, and high mechanical reliability, this fiber is suitable for OTDR testing cables, optical cable manufacturing, telecommunication networks, and long-distance fiber transmission applications.
Single Mode Fiber
Operating Wavelength
@1550nm dB/km
Core Features of Our Single Mode Bare Fiber
Low Water Peak Technology
Suppresses hydroxyl absorption loss around 1383nm, enabling wider wavelength utilization.
Transmission Window
Supports broad wavelength operation from 1260nm to 1625nm for flexible optical systems.
Stable Signal Performance
Optimized optical characteristics provide consistent transmission quality for demanding networks.
Precision Quality Control
Strict manufacturing inspection ensures uniform geometry and reliable fiber consistency.
Product Specifications & Technical Data
G.652.D OS1 Low Loss Single Mode Fiber Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Fiber Type | G.652.D Non-Dispersion Shifted Single Mode Fiber | – |
| Cladding Diameter | 125.0 ± 1 | μm |
| Coating Diameter | 245 ± 10 | μm |
| Cladding Non-Circularity | ≤1 | % |
| Core-Cladding Concentricity Error | ≤0.6 | μm |
| Mode Field Diameter @1310nm | 9.2 ± 0.4 | μm |
| Mode Field Diameter @1550nm | 10.4 ± 0.5 | μm |
| Attenuation @1310nm | ≤0.34 | dB/km |
| Attenuation @1550nm | ≤0.20 | dB/km |
| Attenuation @1625nm | ≤0.22 | dB/km |
| Chromatic Dispersion @1550nm | ≤18 | ps/(nm·km) |
| PMD (Individual Fiber) | ≤0.10 | ps/√km |
| Cable Cut-off Wavelength | ≤1260 | nm |
| Proof Test Level | ≥100 | kpsi |
| Delivery Length | 2.1 – 50.4 | km/Reel |
Applications of Single Mode Optical Fiber
OTDR Testing & Measurement
G.652.D low loss fiber is widely used in OTDR launch and measurement systems, providing stable reference performance for accurate fiber link testing, fault location and transmission quality analysis.
Long-Distance Backbone Networks
With optimized attenuation and dispersion characteristics, this fiber supports backbone networks, metropolitan area networks and high-capacity optical communication systems requiring reliable long-distance transmission.
Fiber Optic Cable Manufacturing
The fiber is suitable for various optical cable structures including loose tube, ribbon, central tube and tight buffered designs, providing consistent quality for large-scale cable production.
Telecommunication Infrastructure
Used in telecom networks, data transmission systems and optical infrastructure projects, this single mode fiber delivers dependable connectivity for modern communication applications.
Why Choose TianJin DongFang Group
Your Trusted Partner In The Fiber Optic Industry
TianJin DongFang Group is dedicated to the development and application of fiber optic technologies, serving customers across different markets with a focus on long-term industry growth.
We continuously explore new opportunities in the fiber optic field, working together with partners to support the evolution of modern connectivity and information infrastructure.
Through continuous improvement and industry experience, we aim to create sustainable value for customers and build lasting partnerships worldwide.
Industry Expertise
Years of experience in the fiber optic field allow us to better understand industry trends and customer requirements.
Professional Production System
Well-organized manufacturing processes ensure efficient production management and consistent operation.
Comprehensive Quality Control
Strict inspection procedures help maintain reliable product performance and stable quality standards.
Flexible Product Solutions
We provide adaptable solutions according to different specifications, applications, and project requirements.
Stable Supply Support
Efficient production planning and supply management help ensure reliable delivery for global customers.
Long-Term Cooperation
We value close partnerships with customers through responsive communication and continuous service improvement.
