The 3-port FWDM device is mainly used for passive wavelength division multiplexing modules. It is a TFF (thin film filter)-based wavelength division multiplexing technology. It has a variety of package sizes and optional wavelengths.
| Parameter | Unit | 3 Ports FWDM | ||
| Working wavelength | nm | 1260~1670nm | ||
| Transmission bandwidth | nm | 1540~1560 | 1524~1544&1596~1625 | Custom |
| Reflection bandwidth | nm | 1260~1360&1480~1500 | 1260~1500&1550~1581&1640~1670 | Custom |
| Transmission insertion loss | dB | ≤0.6 | ||
| Reflection insertion loss | dB | ≤0.4 | ||
| Transmission isolation | dB | ≥30 | ||
| Reflection isolation | dB | ≥15 | ||
| Return loss | dB | ≥50 | ||
| Directionality | dB | ≥50 | ||
| Ripple loss | dB | ≤0.3 | ||
| Package size | mm | Φ4.0xL30mm； MINI：Φ3.2xL30mm、Φ3.0xL30mm | ||
| Operating temperature | ℃ | -40~+85 | ||
OPTICO Mature Production Process
Free Space Technology
Low loss
High channel isolation
Can reach industrial grade
The lower insertion loss enables FWDM devices to have lower signal attenuation when used in wavelength division multiplexing systems, thereby reducing the power requirements of the signal transmitter
The higher isolation value enables the FWDM device to be used in the wavelength division multiplexing system for multi-signal transmission for sufficient signal isolation, effectively preventing the crosstalk between the signals from causing the distortion of the transmission signal
The OPTICO 3-port FWDM device has a mature production process. The optical path is made of glue-free and semi-automatic packaging. The performance is stable and reliable. It can work in harsh environments from -40°C to +85°C to ensure stable signal transmission
The production information management system independently developed by OPTICO has a complete electronic process for each product to ensure the quality reliability and traceability of the device.
In line with international standards.
Telecommunications network
Corporate network
Campus network
It is composed of common (COM) and transmission It consists of three ports: Pass and Reflect. The difference from CWDM is that FWDM can multiplex or demultiplex two or more optical signals of different wavelengths in a single wide wavelength range channel, and increase the signal transmission speed. And communication capacity, widely used in telecommunications, radio and television, enterprise networks, campus networks and other fields.
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