RB Filter
Red and blue band filter has the separation and aggregation functions of the red band signal (1548.31~1560.81nm) and the blue band signal (1529.35~1541.55nm), it is common used in the single fiber DWDM system together with EDFA.
Product Features
l Low insertion loss
l Max support 2 channels red band and blue band in one single card
Product Applications
l Single fiber C/DWDM network
l Other optical network
Product Specifications
|
Parameters |
Unit |
Specifications |
|
|
Blue-band |
nm |
1529.35~1541.55 |
|
|
Red-band |
nm |
1548.31~1560.81 |
|
|
IL |
Red/Blue to Com |
dB |
≤1.0 |
|
Isolation |
Pass Band |
dB |
≥26dB |
|
Reflect Band |
dB |
≥13dB |
|
|
Directivity |
dB |
≥50 |
|
|
Band Ripple |
dB |
＜0.3 |
|
|
Return loss |
dB |
≥50 |
|
|
PDL |
dB |
≤0.1 |
|
|
PMD |
dB |
≤0.1 |
|
|
Wavelength thermal stability |
nm/℃ |
≤0.003 |
|
|
Insertion loss thermal stability |
dB/℃ |
≤0.005 |
|
|
Optical Power |
mw |
≤300 |
|