Products Information

3 wavelength WDM module(1.31/1.55/1.49μm)

Features
Low insertion loss : < 0.8dB
High isolation : > 30dB
Low PDL : < 0.1dB
3 wavelength WDM module
Characteristics
Item Characteristics Unit
Number of ports 3  
Wavelength range _1 1260-1360 nm
_2 1480-1500
_3 1550-1560
Insertion Loss Max. 0.8 dB
PDL Max. 0.1 dB
Uniformity Max. 0.3 dB
Isolation in tranmission Min.50 dB
in reflection Min.30
Directivity Min.55 dB
Return loss Min.50 dB
Fiber Φ0.25 or Φ0.9 mm
Connector SC,FC,etc.  
Optical input power Max.1000 mW
Dimentions Φ5.5x32 mm

CWDM WDM module(4 or 8 channels type)

Features
Low insertion loss : < 1.0dB
High uniformity of insertion loss
High isolation : > 30dB
Low PDL : < 0.15dB
CWDM WDM module
Characteristics
Item Symbol Min. Typ. Max. Unit
Input Channel Number   1  
Output Channel Number   8  
Channel wavelength Ch1-8 1471,1491,1511,1531
1551,1571,1591,1611
nm
Wavelength accuracy   -1   +1 nm
Ripple       0.3 dB
Insertion Loss IL 0.1   1.0 dB
Polarization Dependent Loss PDL     0.15 dB
Adjacent Channel Crosstalk AXT     -30 dB
Non-adjacent Channel Crosstalk NXT     -50 dB
Return Loss RL 45     dB
Directivity ADR 60     dB
NDR 60     dB

◆(Reference)Example of insertion loss and isolation

Example of insertion loss and isolation
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