Description
Summary for Coarse Wavelength Division Multiplexer Module
GH’s Coarse wavelength division multiplexer (CWDM) utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging.
Key Features：
- Low insertion loss
- High channel isolation
- High stability and reliability
Apllications：
- WDM/DWDM system
- Add/Drop system
- CATV system
Optical Specifications:
| Parameter | Unit | Specification | ||
| Channels Number | 2 | 4 | 8 | |
| Central Wavelength | ITU-T Grid | |||
| Bandwidth(@0.5dB Pass band) | nm | ≥14 | ||
| Channel Pass band | nm | λITU±6.5 | ||
| Insertion Loss(Typical) | dB | 1.4 | 1.6 | 1.8 |
| Insertion Loss(MAX) | dB | 1.8 | 2.0 | 2.5 |
| Ripple | dB | ≤0.3 | ||
| Adjacent Channel Isolation | dB | ≥30 | ||
| Non-adjacent Channel Isolation | dB | ≥45 | ||
| Return Loss | dB | ≥45 | ||
| Polarization Dependent Loss | dB | ≤0.10 | ≤0.15 | ≤0.20 |
| Directivity | dB | ≥50 | ||
Environmental Conditions:
| Operating Temperature | ℃ | -5～+65 | |
| Storage Temperature | ℃ | -40～+85 | |
| Operating Humidity | %RH | ≤85 | |
| Storage Humidity | %RH | ≤85 |
Packaging Specifications:
| Package Size (mm) | 2ch, 4ch: 100×80×10（mm）
8ch: 120×80×18（mm） |
| Package Material | ABS |
| Fiber Type | SMF-28e |
| Pigtail Type | 250um Bare Fiber /0.9mm/2.0mm/3.0mm Loose Tube |
| Pigtail Length | Customize |
| Connector Type | Customize |
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