3 wavelength WDM module(1.31/1.55/1.49μm)
 - Low insertion loss : < 0.8dB
- High isolation : > 30dB
- Low PDL : < 0.1dB
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)
- Low insertion loss : < 1.0dB
- High uniformity of insertion loss
- High isolation : > 30dB
- Low PDL : < 0.15dB
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
|
|
