This type CCWDM offer high stability and reliability, and has small package size. Its operating wavelength is from 1270nm to 1610nm which totally offer 18 channels with 20nm channel spacing.
Channel | 18Ch | |
Operating Wavelength (nm) | 1260~1620 | |
Channel Wavelength (nm) | 1270,1290,...,1590,1610 | |
Channel Spacing(nm) | 20 | |
Channel Passband (nm) | CWL+/-6.5nm | |
Insertion Loss | ≤2.2 | |
Channel Ripple | ≤0.4 | |
Isolation | Adjacent | >30 |
| Non-adjacent | >40 | |
Polarization Mode Dispersion | ≤0.2 | |
Polarization Dependent Loss | ≤0.2 | |
Directivity | >45 | |
Return Loss | >45 | |
Maximum Power Handling | 500 | |
Operating Temperature | -20~+70 | |
Storage Temperature | -40~85 | |
Fiber Type | G657A1 | |
Connector | TBD | |
Package dimension | L50 x W50 x H7 | |
Compact design, smaller size
Free space technology
Low insertion loss
High channel isolation and low crosstalk
Can reach industrial grade
Single fiber bidirectional transmission
Dual fiber bidirectional transmission
CWDM wavelengths range from 1260-1625nm, channel spacing is 20nm, which actually cover all the range of DWDM wavelengths (1470-1625nm). And DWDM wavelengths have much smaller channel spaces (0.4nm/0.8nm). Therefore, the CWDM wavelengths near DWDM wavelengths can be used to transmit the DWDM wavelengths. In most practical applications, CWDM 1530nm channel is used to achieve hybrid CWDM & DWDM. 
Features:
Compact size
Low insertion loss
High cannel isolation
Low polarization dependent loss
High reliability and stability
Epoxy free in optical path
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