The filter type dense wavelength division multiplexer (TFF type DWDM) module achieves precise allocation and selection of optical wavelengths through its unique thin film filter technology. Each filter is carefully designed to ensure that optical signals of specific wavelengths can pass through efficiently, while signals of other wavelengths are effectively isolated. This precise wavelength allocation capability enables TFF DWDM modules to optimize network performance, reduce signal crosstalk and loss, and improve overall communication quality. Accurate wavelength allocation is particularly important in long-distance fiber optic transmission, as it ensures signal stability during transmission and reduces communication failures caused by wavelength offset or overlap.
| parameter name | Specifications |
|---|---|
| Working wavelength range | C-band (1525 nm~1565 nm) or L-band (1570 nm~1610 nm) |
| channel spacing | 100 GHz (0.8 nm) or 50 GHz (0.4 nm) |
| insertion loss | ≤ 1.5 dB (typical value ≤ 1.2 dB) |
| Channel isolation degree | ≥ 35 dB (adjacent channel), ≥ 45 dB (non adjacent channel) |
| Polarization related loss | ≤ 0.1 dB |
| return loss | ≥ 45 dB |
| temperature stability | -Center wavelength drift within the working range of 5 ° C to+70 ° C ≤ 0.02 nm |
| Fiber type | SMF-28e+single-mode fiber, equipped with FC/APC or SC/APC connectors |
| Overall dimensions | Standard module: 140 mm x 110 mm x 20 mm (length x width x height) |
| Operating Humidity | 5%~95% non condensing |
TFF DWDM module with high-density wavelength allocation and efficiency improvement of fiber optic network
The TFF DWDM module with high-density wavelength allocation achieves higher bandwidth fiber optic communication by increasing the number of channels. This module can support more wavelength channels, allowing for the simultaneous transmission of more data signals in a single optical fiber. High density wavelength allocation not only improves the transmission efficiency of fiber optic networks, but also reduces the complexity and cost of network equipment. In scenarios such as data center interconnection and metropolitan area network access points, the TFF DWDM module with high-density wavelength allocation can meet the growing bandwidth demand and provide strong support for the expansion and upgrade of fiber optic networks.
TFF DWDM module suitable for various application scenarios
The TFF DWDM module has a wide range of application scenarios, including but not limited to long-distance fiber optic transmission, data center interconnection, metropolitan area network access points, and 5G fronthaul networks. In long-distance fiber optic transmission, TFF DWDM module can ensure stable signal transmission and reduce the demand for relay stations; In data center interconnection, it can achieve high bandwidth and low latency data transmission; In urban area network access points, the TFF DWDM module can meet the needs of multi service access; In 5G fronthaul networks, it can support high-speed and high-capacity data transmission. These application scenarios fully demonstrate the flexibility and adaptability of the TFF DWDM module.
TFF DWDM filter module supporting multiple wavelength channels
The TFF DWDM filter module, which supports multiple wavelength channels, can process optical signals of multiple wavelengths simultaneously through its multi-channel design. This module not only has precise wavelength allocation capability, but also enables flexible configuration and adjustment of wavelengths. By supporting multiple wavelength channels, the TFF DWDM filter module can meet different network architectures and business requirements, providing possibilities for the diversification and personalization of fiber optic communication. Whether it is fixed wavelength transmission or dynamic wavelength adjustment, TFF DWDM filter modules can provide reliable solutions.