Coarse Wavelength Division Multiplexer Module
Features Applications
Low insertion loss High channel isolation High stability and reliability | CWDM system Metro/Access Networks CATV Fiber optic System |
Specifications
Parameters | Unit | Values | ||||
Type |
| 4 Channel | 8 Channel | 16 Channel | ||
Channel Wavelength | nm | 1271, 1291, 1311,…..1551, 1571, 1591, 1611 | ||||
Channel space | nm | 20 | ||||
Channel bandwidth | nm | λc ± 6.5 | ||||
Channel flatness | dB | ≤0.4 | ||||
Insertion Loss | nm | ≤2 | ≤3 | ≤5 | ||
Isolation | Demux | Adjacent | dB | ≥30 | ||
Non-adjacent | dB | ≥40 | ||||
Mux | Adjacent | dB | ≥15 | |||
Non-adjacent | dB | ≥15 | ||||
Channel uniformity | dB | ≤1.0 | ||||
Wavelength thermal stability | nm/℃ | < 0.003 | ||||
Insertion loss thermal stability | dB/℃ | < 0.005 | ||||
Polarization Dependent Loss | dB | ≤0.15 | ≤0.20 | |||
Directivity | dB | ≥ 55 | ||||
Return Loss | dB | ≥50 | ||||
Power handling | mW | ≤500 | ||||
Operating Temperature | ℃ | 0 ~ +70 | ||||
Storage Temperature | ℃ | -40~+85 | ||||
Ordering Information
CWDM | Type | Port Type | Wavelength | Pigtail Type | Fiber Length | Connector |
| 1=Mux 2=Demux | 1=4ch 2=8ch 3=16ch | 1271=1271 1291=1291 …… 1611=1611 | 1=900um loose tube 2=2mm loose tube 3=3mm loose tube | 1=1m S=Specify | 1=FC/UPC 2=FC/APC 3=SC/UPC 4=SC/APC S=Specify |
'
