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The 3-port DWDM device is mainly used for passive wavelength division multiplexing modules. It is a TFF (thin film filter)-based wavelength division multiplexing technology. It has a variety of package sizes and optional wavelengths. It is composed of common (COM) and transmission It is composed of three ports: Pass and Reflect; DWDM has 100GHz, 200GHz and other channel spacing. Compared with CWDM, it greatly increases the number of working wavelengths, thereby greatly increasing the signal transmission speed and communication capacity.
|
Parameters |
Unit |
Customer Spec |
Response |
|
|
Pass band Wavelength |
nm |
- |
- |
1260-1380 |
|
Reflection Band Wavelength |
nm |
- |
- |
1460-1620 |
|
Transmission Insertion Loss |
dB |
Max |
- |
0.6 |
|
Reflection Insertion Loss |
dB |
Max |
- |
0.4 |
|
Transmission Isolation |
dB |
Min |
- |
30 |
|
Reflection Isolation |
dB |
Min |
- |
13 |
|
Polarization Dependence Loss |
dB |
Max |
- |
0.2 |
|
Temperature Dependent Loss |
dB |
Max |
- |
0.3 |
|
Polarization mode dispersion |
ps |
Max |
- |
0.1 |
|
Return Loss |
dB |
Min |
- |
45 |
|
Directivity |
dB |
Min |
- |
50 |
|
Power Handing |
mW |
Max |
- |
500 |
