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CWDM (Coarse Wavelength Division Multiplexing) device is a passive optical component that combines or separates multiple optical signals with widely spaced wavelengths onto a single fiber. It offers cost-effective, low-loss signal multiplexing for metropolitan networks, FTTH, and short- to medium-distance optical communication applications.
Features
Low insertion loss
Compact Size
Top Quality-Price ratio
Low polarization sensitivity
Excellent environmental reliability
Telcordia GR-1221-CORE qualified and RoHS compliant
Application
Bi-Directional
Telecommunications System
Digital, Hybrid and Am-video Systems
High-Speed Multi-Wavelength Systems
CATV Links & Fiber Sensors
Specification
Parameter | MUX / DEMUX | ||||
2-Channel | 4-Channel | 8-Channel | 16-Channel | ||
Operating Wavelength (nm) | 1270~1610 | ||||
Center Wavelength Accuracy (nm) | ± 0.50 | ||||
Channel Spacing (nm) | 20 | ||||
Channel Passband (@-0.5dB bandwidth (nm) | >0.25 | ||||
Insertion Loss (dB) | ≤ 1.0 | ≤ 1.5 | ≤ 3.0 | ≤ 5.8 | |
Channel Uniformity (dB) | ≤0.4 | ≤0.6 | ≤1.0 | ≤2.0 | |
Channel Ripple (dB) | ≤ 0.5 | ||||
Isolation (dB) | Adjacent | ≥30 | |||
Non-adjacent | ≥40 | ||||
Insertion Loss Temperature Sensitivity (dB/°C ) | ≤ 0.005 | ||||
Wavelength Temperature Shifting (nm/ °C ) | ≤ 0.002 | ||||
Polarization Dependent Loss (dB) | ≤ 0.2 | ||||
Polarization Mode Dispersion (ps) | ≤ 0.2 | ||||
Return Loss (dB) | ≥50 | ||||
Directivity (dB) | ≥50 | ||||
Max Power Handling (mW) | 300 | ||||
Operating Temperature (°C) | 0 ~ +70 | ||||
Storage Temperature (°C) | -40 ~ +85 | ||||
Dimensions (mm) | L100 X W80 X 10 | L120 x W80 x H11.6 | |||
