其它产品
Polarization Maintaining Dense WDM
Description
The PM Dense Wavelength Division Multiplexer is manufactured toTelcordia standard, based on environmentally stable thin film filter technology. The PM DWDM is designed mainly for signals adding/dropping on OADM, and Mux/Demux DWDM commucation system,with the advantage of high isolation, high extinction ration, low insertion loss, excellent environmental stability, and high power handling capability
| Specifications | |||
| Parameters | Unit | Values | |
| Channel Space | Ghz | 100 | 200 |
| Center Wavelength | nm | ITU Grid | |
| Center Wavelength Accuracy | nm | ±0.05 | 0.01 |
| Channel Pass band (@-0.5dB) | nm | 0.22 | 0.5 |
| Max. Insertion Loss of Transmission Channel | dB | 1.0 | 0.9 |
| Max. Insertion Loss of Reflection Channel | dB | 0.4 | 0.4 |
| Min. Transmission Isolation @Reflection Wavelength | dB | 30 | 30 |
| Min. Reflection Isolation @Transmission Wavelength | dB | 10 | 10 |
| Max. Channel Flatness | dB | 0.3 | |
| Min. Extinction Ratio | dB | 18 | |
| Max. Wavelength thermal stability | nm/℃ | 0.003 | |
| Max. Insertion loss thermal Stability | dB/℃ | 0.005 | |
| Min. Return Loss | N | 50 | |
| Max. Power Handling (CW) | mW | 300 | |
| Fiber Type | - | PM Panda fiber | |
| Operating Temperature | ℃ | 0~+70 | |
| Storage Temperature | ℃ | -40~+85 | |
| For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower; | |||
| The default connector key is aligned to slow axis; | |||
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