Long Distance Single-Mode Fiber Cable 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 Long Distance Single-Mode Fiber
| Property | Parameter | Description |
|---|---|---|
| Optical Fiber Product Name | Long Distance Single-Mode Fiber | Single-mode optical fiber engineered for extended transmission distances with minimal signal loss |
| Fiber Grade & ITU-T Classification | ITU-T G.652D / G.654E | Standard single-mode fiber (G.652D) and ultra-low-loss cutoff-shifted fiber (G.654E) for long-haul applications |
| Core & Cladding Diameter Range | Core: 8.2 ± 0.4 μm; Cladding: 125.0 ± 0.7 μm | Tight dimensional tolerance ensures consistent splicing performance and low connector loss |
| Attenuation Coefficient at 1310nm | ≤ 0.34 dB/km | Measured per IEC 60793-1-40; suitable for metro and regional network segments |
| Attenuation Coefficient at 1550nm | ≤ 0.18 dB/km (standard); ≤ 0.16 dB/km (ultra-low-loss) | Optimized for C-band and L-band DWDM long-haul transmission systems |
| Macrobending Loss Performance | ≤ 0.10 dB at R=30 mm (100 turns, 1550nm) | Compliant with IEC 60793-1-47; ensures stability in cable installation and deployment |
| Chromatic Dispersion Coefficient | ≤ 18 ps/(nm·km) at 1550nm; ≤ 3.5 ps/(nm·km) at 1310nm | Low dispersion supports high-speed 100G/400G coherent transmission over long distances |
| Batch Qualification Rate | ≥ 99.5% | Each production batch undergoes 100% OTDR and attenuation testing before shipment |
| Manufacturing Environment Standards | ISO 14644-1 Class 7 Cleanroom; Temperature: 22 ± 2°C; Humidity: 45–55% RH | Controlled environment prevents contamination during preform drawing and coating processes |
| Core Raw Material Source | High-purity synthetic silica (SiO₂ purity ≥ 99.999%) | MCVD/OVD/VAD process-grade silica preform; sourced from certified suppliers |
| Packaging Specification | Standard reel: 25 km/reel; Custom: 5–50 km/reel; Reel diameter: 400 mm | Wooden or plastic reels with moisture-proof wrapping; suitable for sea and air freight |
| Storage Conditions | Temperature: -20°C to +60°C; Humidity: ≤ 85% RH; Avoid direct UV exposure | Store in original packaging on flat surface; keep away from corrosive chemicals |
| Valid Shelf Life | ≥ 20 years (under recommended storage conditions) | Hermetic silica structure ensures long-term mechanical and optical stability |
| Application Scenarios | Long-haul backbone networks, submarine cable systems, DWDM/CWDM transmission, 5G fronthaul/backhaul | Ideal for intercity, transoceanic, and national backbone fiber optic infrastructure |
| Compliance & Certification | ITU-T G.652D / G.654E, IEC 60793-2-50, TIA-492CAAB, RoHS 2.0 | Internationally certified for global telecom operator procurement requirements |
| Minimum Order Quantity (MOQ) | 500 km | Flexible reel configurations available; sample orders (≥ 25 km) accepted for qualification testing |
| Monthly Supply Capacity | 50,000 km/month | Supported by automated drawing towers with real-time quality monitoring systems |
Long Distance Single-Mode Fiber Cable Supplier
Long distance single-mode fiber is the backbone of modern telecommunications infrastructure, enabling high-speed data transmission across metropolitan, regional, and intercontinental networks with unmatched signal integrity. As global demand for broadband connectivity, 5G backhaul, and cloud-based data services continues to surge, single-mode optical fiber has become the preferred medium for carriers, internet service providers, and enterprise network operators worldwide. Unlike multimode fiber, which is limited to shorter runs, long distance single-mode fiber supports transmission spans exceeding hundreds of kilometers without signal degradation, making it indispensable for submarine cable systems, long-haul terrestrial networks, DWDM deployments, and high-capacity data center interconnects. Our factory supplies premium-grade SMF cables that meet the most demanding performance standards, delivering reliable, low-loss connectivity solutions to global buyers at competitive wholesale pricing.
What is Long Distance Single-Mode Fiber?
Long distance single-mode fiber is an optical waveguide with a core diameter of approximately 8–10 µm, designed to propagate a single ray of light, eliminating modal dispersion and enabling ultra-low attenuation transmission over extended distances. Compliant with ITU-T G.652, G.654, and G.657 international standards, this fiber type is engineered for high-bandwidth, long-haul applications where signal fidelity and minimal loss are critical operational requirements.
Long Distance Single-Mode Fiber Manufacturing and Production Process
Our single-mode fiber is manufactured using the Modified Chemical Vapor Deposition (MCVD) and Outside Vapor Deposition (OVD) processes in ISO 9001-certified cleanroom facilities. Core preform fabrication undergoes rigorous refractive index profiling and dimensional control. Each fiber strand is drawn at precisely regulated temperatures, coated with dual-layer UV-cured acrylate, and subjected to 100% proof-testing, geometric measurement, and attenuation screening before cabling. All production batches carry RoHS, CE, and ITU-T compliance certifications.

Long Distance Single-Mode Fiber Technical Specifications
Our long distance single-mode optical fiber delivers exceptional performance across the following verified parameters:

- Core Diameter: 8.2 µm (G.652D) / 9.0 µm (G.654E)
- Cladding Diameter: 125.0 ± 0.7 µm
- Attenuation at 1310 nm: ≤ 0.34 dB/km
- Attenuation at 1550 nm: ≤ 0.18 dB/km
- Chromatic Dispersion at 1550 nm: ≤ 18 ps/(nm·km)
- Polarization Mode Dispersion (PMD): ≤ 0.1 ps/√km
- Numerical Aperture: 0.13 ± 0.015
- Operating Temperature Range: -60°C to +85°C
- Cable Jacket Options: LSZH, PE, PVC, Armored
- Available Lengths: 2 km, 4 km, 6 km spools or custom cuts
Get a Competitive Quote for Long Distance Single-Mode Fiber
Source your long distance single-mode fiber directly from our factory and benefit from certified quality, flexible MOQ policies, and reliable global logistics. Whether you require small trial orders or large-volume telecom deployments, we offer tailored pricing, fast lead times, and full documentation support to streamline your procurement process.
- 24/7 expert optical communication engineer support
- Full ITU-T, ISO, RoHS compliance guarantee for all batches
- Exclusive wholesale discounts for bulk telecom, FTTH and data center orders
- Complete technical data sheets and on-site deployment guidance included
Contact us today to get your free quote and full specification sheet within 24 hours!
