Triplex Filter WDM
Pass1490/R1310&1550 or Pass1550/R1310&1490
WDM 3-Port Device is based on proven thin-film filter technology and can be used in various applications .This device offers very flat and wide pass band. Low insertion loss and high isolation and temperature stability.
Feature Application
Ultra flat wide pass band WDM system
Low insertion loss CATV
High channel isolation FTTH
High stability and reliability Fiber optic instruments
Specification
|
parameter |
unit |
value |
|
Central wavelengths |
nm |
1310, 1490, 1550 |
|
Pass band wavelength |
nm |
1490±10 |
|
Reflection band wavelength |
nm |
1310 ±50 and 1550 ±15 |
|
Insertion loss for pass band |
dB |
≤0.8 (0.6 typical) |
|
Insertion loss for reflection band |
dB |
≤0.6 (0.4 typical) |
|
Isolation for reflection band |
dB |
≥14 |
|
Isolation for pass band |
dB |
≥30 |
|
Directivity |
dB |
≥55 |
|
Return loss |
dB |
≥55 |
|
PDL |
dB |
≤ 0.10 |
|
Thermal wavelength drift |
nm/℃ |
≤0.003 |
|
Thermal stability |
dB/℃ |
≤0.005 |
|
Power handling |
mW |
300 |
|
Operating temperature |
℃ |
0 to +75 |
|
Storage temperature |
℃ |
-40 to +85 |
Fused Coupler
