The TIWDM series combines filter WDM, tap coupler and isolator into a compact package. This device is ideal for fiber amplifier application to provide input signal power monitoring, pump/signal multiplexing and isolation functions at the same time. It offers the advantages of cost saving, space saving, and performance improvement.
Product Detail
Key Features |
Applications |
Low Insertion Loss |
Raman Amplifier |
High Isolation |
System Monitoring |
Compact Size |
|
Specifications
Parameter |
|
|
|
Unit |
Value |
|
Stage |
|
|
|
- |
Single Stage |
Dual Stage |
Pass Band |
Signal Wavelength Range |
|
|
nm |
1530 - 1580 |
|
1550 Signal |
Tap Ratio @ Input → Tap |
|
|
% |
1 ± 0.5, 5 ± 1 , 10 ± 2 |
|
980 Pump |
Max. Signal IL @ Input → Common, Tap |
|
1% |
dB |
1.0 |
1.2 |
|
|
|
5% |
dB |
1.2 |
1.4 |
|
|
|
10% |
dB |
1.5 |
1.7 |
1480 Pump |
Max. Signal IL @ Input → Common, Tap |
|
1% |
dB |
1.0 |
1.2 |
|
|
|
5% |
dB |
1.1 |
1.3 |
|
|
|
10% |
dB |
1.3 |
1.5 |
|
Min. Signal Isolation (1550 ± 10 nm for Single |
|
|
|
|
|
|
Stage, 1550 ± 30 nm for Dual Stage, at 23 ℃) |
|
|
dB |
30 |
40 |
|
Max. Polarization Dependent Loss |
|
|
dB |
0.1 |
0.2 |
|
Max. Polarization Mode Dispersion |
|
|
ps |
0.251 |
0.05 |
Reflection Band |
Wavelength Range |
980 Pump |
|
nm |
950 - 1010 |
|
|
|
1480 Pump |
|
nm |
1450 - 1490 |
|
|
Max. Insertion Loss @ Pump → Common |
|
|
dB |
0.5 |
|
|
Max. Polarization Dependent Loss |
|
|
dB |
0.05 |
|
Min. Return Loss |
|
|
|
dB |
50 |
|
Min. Directivity (Pump to Tap/Input) @ Pump Wavelength |
|
|
dB |
45 |
||
Max. Optical Power (Continuous Wave) |
|
|
|
mW |
300 |
|
Max. Tensile Load |
|
|
|
N |
5 |
|
Fiber Type for 1480 Pump |
|
|
|
- |
SMF-28 Fiber for all Ports |
|
Fiber Type for 980 Pump |
|
|
|
- |
SMF-28 Fiber for Input & Tap Ports |
|
|
|
|
|
- |
HI 1060 Fiber for Common & Pump Ports |
|
Operating Temperature |
|
|
|
℃ |
- 5 to + 70 |
|
Storage Temperature |
|
|
|
℃ |
- 40 to + 85 |
1Low PMD version is available. PMD < 0.05 ps.
2IL is 0.3 dB higher, RL is 5 dB lower for each connector added.