FBT (FBT) WDM or FBT WDM (Fused Biconic Taper) is a kind of WDM based on fused taper technology, which separates or synthesizes two wavelengths by fused taper tapering two optical fibers at high temperature and packaging them.
- CATV Systems
- Network Monitoring
- Test Equipment
- Telecommunications
| Parameter | Min. | Typical | Max. |
| Transmitting wavelength range (nm) | 1295-1325 |
| Reflective wavelength range (nm) | 1528-1565 |
| Insertion loss (dB) | | | 0.40 |
| Isolation (dB) | 16 | | |
| Directional (dB) | 55 | | |
| Echo Loss(dB) | 55 | | |
| Polarization-dependent loss（dB） | | | 0.10 |
| PMD(ps) | | | 0.10 |
| Working temperature range(℃) | -40~85 |
| Storage temperature range（℃） | -40~85 |
| Optical Fiber Type | Corning SMF 28e+ or equal（Customer Definition Type） |
| Fiber length（m） | ≥1.0（Customer Defined Length） |
| Product size(mm) | 100×80×10 |
