WDM Filter
The WDM filter is the core component of wavelength division multiplexing systems. Its function is similar to the "traffic controller" in high-speed fiber optic networks, combining and separating optical signals according to wavelength differences. Through the optical interference principle of specific dielectric films, it precisely multiplexes optical signals of different wavelengths (such as 1310nm, 1490nm, 1550nm, etc.) into one fiber for transmission, or demultiplexes them into independent channels at the receiving end, thereby achieving simultaneous transmission of multiple signals on a single fiber and greatly improving the communication capacity and transmission efficiency of optical fibers.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Specification (100 GHz DWDM) | 100 GHz DWDM |
| Operating Wavelength - Specification | 1260～1620 |
| Operating Wavelength - Specification (100 GHz DWDM) | 1500～1620 |
| Operating Wavelength - Specification | 1260～1620 |
| Transmission Bandwidth - Specification (CWDM) | ITU±6.5 |
| Transmission Bandwidth - Specification (100 GHz DWDM) | ITU±0.125 |
| Transmission Bandwidth - Specification (CWDM) | Customized per customer requirements |
| Reflection Bandwidth - Specification (CWDM) | 1260~(CW-13.5) and (CW+13.5)~1620 |
| Reflection Bandwidth - Specification (100 GHz DWDM) | 1500~(CW-0.65) and (CW+0.65)~1620 |
| Reflection Bandwidth - Specification (CWDM) | Customized per customer requirements |
| Transmission Insertion Loss - Specification (CWDM) | ≤0.6 |
| Transmission Insertion Loss - Specification (100 GHz DWDM) | ≤0.8 |
| Transmission Insertion Loss - Specification (CWDM) | ≤0.6 |
| Reflection Insertion Loss - Specification (CWDM) | ≤0.45 |
| Reflection Insertion Loss - Specification (100 GHz DWDM) | ≤0.4 |
| Reflection Insertion Loss - Specification (CWDM) | ≤0.45 |
| Adjacent Channel Isolation - Specification (CWDM) | ≥30 |
| Adjacent Channel Isolation - Specification (100 GHz DWDM) | ≥30 |
| Adjacent Channel Isolation - Specification (CWDM) | ≥30 (transmission isolation) |
| Non-Adjacent Channel Isolation - Specification (CWDM) | ≥45 |
| Non-Adjacent Channel Isolation - Specification (100 GHz DWDM) | ≥45 |
| Reflection Channel Isolation - Specification (CWDM) | ≥15 |
| Reflection Channel Isolation - Specification (100 GHz DWDM) | ≥13 |
| Reflection Channel Isolation - Specification (CWDM) | ≥15 |
| Passband Flatness - Specification (CWDM) | ≤0.3 |
| Passband Flatness - Specification (100 GHz DWDM) | ≤0.5 |
| Passband Flatness - Specification (CWDM) | ≤0.3 |
| Polarization Dependent Loss - Specification | ≤0.15 |
| Polarization Dependent Loss - Specification (100 GHz DWDM) | ≤0.15 |
| Polarization Dependent Loss - Specification | ≤0.15 |
| Return Loss - Specification | ≥50 |
| Return Loss - Specification (100 GHz DWDM) | ≥50 |
| Return Loss - Specification | ≥50 |
| Directivity - Specifications (CWDM) | ≥50 |
| Directivity - Specifications (100 GHz DWDM) | ≥50 |
| Directivity - Specifications (CWDM) | ≥50 |
| Optical Power Handling | ≤500 |
| Optical Power Handling (100 GHz DWDM) | ≤500 |
| Optical Power Handling | ≤500 |
| Operating Temperature - Specifications | -10～+70 |
| Operating Temperature - Specifications (100 GHz DWDM) | -10～+70 |
| Operating Temperature - Specifications | -10～+70 |
| Storage Temperature-Specification | -40～+70 |
| Storage Temperature-Specification (100 GHz DWDM) | -40～+70 |
| Storage Temperature-Specification | -40～+70 |
| Package Dimensions (Steel Tube) - Specifications (CWDM) | Φ5.5×L38 mm |
| Package Dimensions (Steel Tube) - Specifications (100 GHz DWDM) | Φ5.5×L38 mm |
| Package Dimensions (Steel Tube) - Specifications (CWDM) | Φ5.5×L38 mm |
Datasheet
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