fiber optic transmission data center cwdm mux demux used in wdm system

CWDM Module
Product Description
SHARETOP’S Coarse Wavelength Division Multiplexer (CWDM) devices demonstrate low loss and reliable performances. It can not only increase efficiency, but also reduce costs
These devices show broad passband and high isolation, making them ideal for operation with inexpensive, uncooled lasers. They are low cost products for the CATV and metro/access markets.Easily customizable, SHARETOP’S CWDM can be configured from a standard list of packaging and connector options.
Features
Low insertion loss
High channel isolation
Low polarization dependent loss
Exceptional reliability and stability
Applications
Access networks
Metro WDM Systems
Enterprise networks
Specification
Parameter 4 Channel 8 Channel 16 Channel
Mux Demux Mux Demux Mux Demux
Channel Wavelength (nm) 1270~1610
Center wavelength Accuracy (nm) ±0.5
Channel Spacing (nm) 20
Channel Passband (@-0.5dB bandwidth (nm) >13
Insertion Loss (dB) ≤1.6 ≤2.5 ≤4.5
Channel Uniformity (dB) ≤0.6 ≤1.0 ≤1.5
Channel Ripple (dB) 0.3
Isolation (dB) Adjacent N/A >30 N/A >30 N/A >30
Non-adjacent N/A >40 N/A >40 N/A >40
Inertion Loss Temperature Sensitivity (dB/℃) <0.005
Wavelength Temperature Shifting (nm/℃) <0.002
Polarization Dependent Loss (dB) <0.1
Polarization Mode Dispersion <0.1
Directivity (dB) >50
Return Loss （dB） >45
Maximum Power Handling (mW) 300
Opterating Temperature (℃) -5~+75
Storage Temperature (℃) -40~85
Package dimension (mm) L100 x W80 x H10（2CH-8CH）
L142 x W102 x H14.5（9CH-18CH）
All the specifications are based on the devices without connectors, and guaranteed over wavelength, polarization and temperature.