Bend Insensitive Fiber for Telecom Network - Supplier
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 kilometers
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Bend Insensitive Fiber for Telecom Network
| Property | Parameter | Description |
|---|---|---|
| Product Name | Bend Insensitive Fiber for Telecom Network | Single-mode optical fiber engineered for low bend loss in telecom infrastructure deployments |
| Fiber Type / Grade | G.657.A1 / G.657.A2 / G.657.B3 | ITU-T compliant bend-insensitive single-mode fiber; equivalent to IEC 60793-2-50 type B-657 |
| Standard Compliance | ITU-T G.657, IEC 60793-2-50, TIA-492AAAD | Fully backward compatible with ITU-T G.652.D for seamless network integration |
| Core / Cladding Diameter | Core: 8.6–9.5 µm / Cladding: 125.0 ± 0.7 µm | Trench-assisted or hole-assisted index profile for enhanced bend performance |
| Coating Diameter | 245 ± 10 µm (standard) / 200 ± 5 µm (reduced) | Dual-layer UV-cured acrylate coating for mechanical protection and handling ease |
| Attenuation | ≤ 0.20 dB/km @ 1550 nm; ≤ 0.40 dB/km @ 1310 nm | Low attenuation ensures long-distance signal integrity per ITU-T G.657 requirements |
| Macrobend Loss (G.657.A2) | ≤ 0.03 dB/turn @ R=15 mm, 1550 nm; ≤ 0.1 dB/turn @ R=10 mm, 1550 nm | Significantly reduced bend-induced loss for tight-radius routing in FTTH/FTTx applications |
| Macrobend Loss (G.657.B3) | ≤ 0.03 dB/turn @ R=7.5 mm, 1550 nm | Ultra-low bend loss for extreme bend radius scenarios in dense indoor cabling |
| Chromatic Dispersion | Zero Dispersion Wavelength: 1300–1324 nm; ≤ 18 ps/(nm·km) @ 1550 nm | Compatible with G.652.D dispersion specifications for WDM and broadband transmission |
| Polarization Mode Dispersion | PMD Coefficient ≤ 0.1 ps/√km (link design value) | Supports high-speed transmission up to 100 Gbps and beyond |
| Tensile Strength (Proof Test) | ≥ 100 kpsi (0.69 GPa) | Standard proof test level ensuring mechanical reliability during installation and service life |
| Operating Temperature | -60°C to +85°C | Suitable for outdoor, indoor, and aerial telecom network environments |
| Cable Length / Packaging | Standard: 2.0 km, 4.0 km, 6.25 km per reel; custom lengths available | Wound on wooden or plastic reels; moisture-resistant wrapping for transport and storage |
| Application | FTTH, FTTx, MDU wiring, indoor/outdoor drop cables, patch cords, access networks | Ideal for last-mile connectivity, building riser cables, and tight-space telecom installations |
| Certification | RoHS, REACH, UL Listed (where applicable), CE | Meets international environmental and safety compliance standards for global telecom markets |
| MOQ | 10 reels (negotiable for large-volume telecom projects) | OEM/ODM available; custom fiber count, coating color, and reel length upon request |
Bend Insensitive Fiber for Telecom Network - Supplier
Bend insensitive fiber for telecom network infrastructure has become an indispensable solution for modern optical communication deployments, where tight routing paths and complex installation environments demand uncompromising signal integrity. Unlike conventional single-mode fiber, bend insensitive optical fiber maintains signal transmission efficiency even when subjected to bending radii as tight as 5 mm, making it ideal for fiber-to-the-home (FTTH), fiber-to-the-building (FTTB), and dense urban network rollouts. Compliant with ITU-T G.657 standards — specifically G.657.A1, G.657.A2, and G.657.B3 categories — this specialized fiber delivers attenuation values as low as 0.2 dB/km at 1550 nm wavelength. Its ability to withstand macrobending losses below 0.1 dB at a 10 mm bend radius (per IEC 60793-2-50) positions it as the preferred choice for telecom operators seeking reliable last-mile connectivity solutions without costly signal amplification or repeater infrastructure.

What is Bend Insensitive Fiber for Telecom Network?
Bend insensitive fiber for telecom network applications is a specialized category of single-mode optical fiber engineered with an advanced trench-assisted or nanostructured core design that dramatically reduces optical power loss during bending. By incorporating a depressed cladding index profile, the fiber confines light more effectively within the core, ensuring consistent signal performance across challenging routing conditions including conduit corners, splice trays, and wall-mounted distribution boxes common in access network deployments.

Bend Insensitive Fiber for Telecom Network Manufacturing Process
The production of bend insensitive fiber begins with Modified Chemical Vapor Deposition (MCVD) or Outside Vapor Deposition (OVD) processes to create a precision-engineered preform featuring a trench-assisted refractive index profile. The preform undergoes high-temperature drawing at approximately 2,000°C in a controlled draw tower, producing fiber with an outer diameter of 125 ± 0.7 µm. A dual-layer UV-cured acrylate coating is applied inline, achieving a final coated diameter of 245 ± 5 µm, providing mechanical protection and environmental resistance throughout the fiber's service life.
Bend Insensitive Fiber for Telecom Network Technical Specifications
Our bend insensitive fiber for telecom network applications meets or exceeds the following performance parameters: mode field diameter of 8.6–9.5 µm at 1310 nm, zero dispersion wavelength between 1300–1324 nm, chromatic dispersion ≤ 18 ps/(nm·km) at 1550 nm, and polarization mode dispersion ≤ 0.1 ps/√km. Macrobend loss at 15 mm radius measures ≤ 0.003 dB/turn at 1550 nm per G.657.A1 classification, with proof test tensile strength maintained at a minimum of 100 kpsi (0.69 GPa), ensuring long-term mechanical reliability in demanding telecom environments.
Get a Competitive Quote for Bend Insensitive Fiber for Telecom Network
Partner with a trusted supplier committed to delivering premium-grade bend insensitive fiber for telecom network projects at mill-direct rates. Whether you require small evaluation quantities or large-volume procurement for nationwide rollouts, our team provides tailored solutions backed by rigorous quality assurance and fast global logistics.

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