Shanghai Gengyun Industrial Co., Ltd
Bend insensitive single mode optical fiber is a special optical fiber developed to meet the application with extremely high requirements for anti-bending ability. Through the use of special waveguide structure design, the optical fiber has excellent anti-bending ability. The minimum bending radius can reach 5mm. Through strict control of the raw materials and drawing process of the optical fiber preform, the optical fiber has reliable mechanical properties and can meet the requirements of high-intensity screening and long segment length. In this series, BI1011-A is suitable for optical fiber guidance. BI1015-A and BI1015-B are suitable for optical fiber hydrophones. Among them, BI1015-B is a thin-diameter optical fiber with a cladding diameter of 80μm. It serves the application of miniaturized optical devices.
Product Application
- Small size optical devices;
- Fiber guidance;
- Hydrophone;
Product Features
- Excellent macrobending performance including L band;
- Bend insensitive fiber has low microbending loss;
- Precise geometric parameters;
- Good mechanical properties, screening strength can reach 200kpsi;
- Cladding diameter 80μm, realizing optical fiber miniaturization;
Specifications of Bend Insensitive Fiber
| Fiber type | BI 6/125-18/250*① | BI 6/100-18/200 | BI 7/125-18/250 | BI 7/80-18/170*② | BI 7/80-19/170 | BI 8/125-14/250 | BI 4/60-30/100 | |
| Product number | BI1011-A | BI1011-C | BI1015-A | BI1015-B | BI1015-F | BI1016-A | BI1017-A | |
| Optical properties | ||||||||
| Cut-off wavelength (nm) | ≤1260 | ≤1260 | 1350~1500 | 1350~1500 | 1350~1500 | ≤1260 | 1350~1520 | |
| Zero dispersion wavelength (nm) | ≤1420 | ≤1420 | – | – | – | 1300~1324 | – | |
| Mode field diameter @ 1310 nm (μm) | 6.5±0.4 | 6.5±0.4 | – | – | – | 8.6±0.4 | – | |
| Mode field diameter @ 1550nm (μm) | 7.4±0.5 | 7.4±0.5 | 7.5±0.4 | 7.0±0.4 | 6.6±0.4 | 9.6±0.5 | 4.0~4.5 | |
| Attenuation @ 1310nm (dB/km) | ≤0.39 | ≤0.42 | – | – | – | ≤0.35 | – | |
| Attenuation @ 1383nm (dB/km) | – | – | – | – | – | ≤0.35 | – | |
| Attenuation @ 1490nm (dB/km) | ≤0.26 | ≤0.32 | – | – | – | – | – | |
| Attenuation @ 1550nm (dB/km) | ≤0.24 | ≤0.30 | ≤0.26 | ≤0.28 | ≤0.28 | ≤0.21 | ≤1.0 | |
| Attenuation @ 1625nm (dB/km) | ≤0.25 | ≤0.31 | ≤0.27 | ≤0.29 | ≤0.29 | ≤0.23 | – | |
| Geometrical properties | ||||||||
| Cladding diameter (μm) * ③ | 124.7±0.5 | 100.0±1.0 | 124.7±0.5 | 80.0±1.0 | 80.0±1.0 | 124.4±0.4 | 60.0±1.0 | |
| Coating diameter (μm) | 240.0±5.0 | 198.0±5.0 | 240.0±5.0 | 170.0±5.0 | 170.0±5.0 | 240.0±5.0 | 100.0±5.0 | |
| Out-of-roundness of cladding (%) | ≤1.0 | ≤1.0 | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.7 | ≤1.0 | |
| Core/pack concentricity (μm) | ≤0.6 | ≤0.6 | ≤0.6 | ≤0.6 | ≤0.6 | ≤0.6 | ≤0.5 | |
| Macrobending additional attenuation | ||||||||
| 1 circle φ 10mm (dB) | 1550 nm | – | ≤0.05 | – | – | – | ≤0.15 | – |
| 1625nm | – | ≤0.15 | – | – | – | ≤0.45 | – | |
| 1 circle φ15mm (dB) | 1550 nm | ≤0.05 | – | – | – | – | ≤0.05 | – |
| 1625nm | ≤0.10 | – | – | – | – | ≤0.25 | – | |
| 1 circle φ20mm (dB) | 1550 nm | ≤0.02 | – | – | – | – | ≤0.03 | – |
| 1625nm | ≤0.05 | – | – | – | – | ≤0.10 | – | |
| 25 turns φ 10mm (dB) | 1550nm | – | – | ≤0.02 | ≤0.02 | ≤0.02 | – | ≤0.01 |
| 10-turn φ30mm (dB) | 1550 nm | ≤0.01 | – | – | – | – | – | – |
| 1625nm | ≤0.02 | – | – | – | – | – | – | |
| Mechanical properties | ||||||||
| Screen Tension (kpsi) Offline | 150 | 150 | 150 | 200 | 200 | 100 | 200 | |
| Environmental characteristics | ||||||||
| Temperature (℃) | -60~+85 | -60~+85 | -60~+85 | -60~+85 | -60~+85 | -60~+85 | -60~ +85 | |
① Optical fiber with outer diameter of 200 μm can be provided ② Optical fiber with outer diameter of 135 μm can be provided③ Non-standard size optical fiber with 60 μm or 100 μm cladding diameter can be customized