Product Application
Fiber optic gyroscope
Fiber optic current transformer
Polarization-maintaining coupler
High-speed modulator pigtail
Product Specifications
| Item | Unit | Index |
| Fiber model | / | BTF13-80-U16 | BTF13-125-U25 | BTF15-80-U16 | BTF15-125-U25 |
| Optical characteristics |
| Working wavelength | nm | 1310 | 1310 | 1550 | 1550 |
| Cut-off wavelength | nm | 1100～1290 | 1100～1290 | 1290～1520 | 1290～1520 |
| Mode field diameter | μm | 6.0±1.0 | 6.0±1.0 | 6.5±1.0 | 6.5±1.0 |
| Attenuation | dB/km | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
| Beat Length | mm | ≤2.5 | ≤2.5 | ≤3.0 | ≤3.0 |
| Typical Crosstalk | dB | ≤-25 | ≤-25 | ≤-25 | ≤-25 |
| Geometric characteristics |
| Cladding Diameter | μm | 80.0±1.0 | 125.0±1.0 | 80.0±1.0 | 125.0±1.0 |
| Core Concentricity | μm | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 |
| Cladding Out-of-Roundness | % | ≤2.0 | ≤2.0 | ≤2.0 | ≤2.0 |
| Coating Type | / | Double Layer UVcuring acrylic resin |
| Coating Diameter | μm | 168.0±3.0 | 245.0±3.0 | 168.0±3.0 | 245.0±3.0 |
| Environmental and mechanical characteristics |
| Operation Temperature | ℃ | -45～+85 | -45～+85 | -45～+85 | -45～+85 |
| Screening Tension | kps | 100 | 100 | 100 | 100 |
Customized Messages
The operating wavelength, mode field diameter, beat length, geometric dimensions, coating material,screening intensity and other indicators can be customized according to customer requirements.
