CWDM (Coarse Wavelength Division Multiplexer) is based on thin-film filter technology and patented a thermal platform system for optical devices. The CWDM is used to combine or separate different optical wavelength signals. This device offers a very flat and wide passband, low insertion loss, and high isolation, which make it ideal for CWDM Network applications and Optical Amplification Systems. KOC CWDM devices are Bell core GR-1221 qualification tested and are in compliance with industry green initiatives such as RoHS and WEEE. All KOC CWDM products are epoxy-free in the optical path.
FEATURES
- Widely Operating Wavelength Range
- Low Insertion Loss
- High Channel Isolation
- High Stability and Reliability
- Insensitive to shock and vibration
- Ultra Flat Wide Pass band
- Epoxy Free Optical Path
APPLICATIONS
- System Monitoring
- WDM System
- Transmitters and Fiber lasers
- Fiber Optical Amplifier
- Fiber optic instruments
| Parameter | Specification | Unit | |
| Channel Center Wavelength | 1270-'1610 or 1271-”1611 | nm | |
| Channel Spacing | 20 | nm | |
| Channel Clear Passband | ITU+7 | nm | |
| Transmission Insertion Loss | Max | 0.8 (Typ 0.6) | dB |
| Reflection Insertion Loss | Max | 0.6 (Typ 0.4) | dB |
| Passband Ripple | Max | 0.3 | dB |
| Transmission Isolation | Min | 30 | dB |
| Reflection Isolation | Min | 12 | dB |
| Return Loss | Min | 45 | dB |
| Directivity | Min | 45 | dB |
| Polarization Dependent Loss | Max | 0.1 | dB |
| Operating Temperature Range | 0~ + 70 | °C | |
| Storage Temperature Range | -40~+85 | °C | |
| Maximum Power Handling | 300 | mW | |
| Package Dimension (L" ¢) | 38*5.5 | mm |
| CWDM-3P | Center wavelength | Fiber Type | Connector Type |
| 1271~1611; 1270~1610Example: 1271 = 1271nm | 1: 250μm bare fiber | 0: Without connector | |
| 2:900μm tight buffer fiber | 1:FC/ PC 2:FC/UPC 3:FC/APC | ||
| other | 4:SC/PC S:SC/UPC 6:SC/APC | ||
| 7:ST 8:LC 9:MU X:Cusmized |
