Wuhan ETERN Optoelectronics Technology Co.,Ltd.
Wuhan ETERN Optoelectronics Technology Co.,Ltd. Robust Innovation, Fusion and Win-win
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CWDM 3 port Device-100GHz WDM 3-port TFF devices
100GHz High Isolation WDM Device 3 Port DWDM Over CWDM
ETERN 100GHz/200GHz WDM 3-port TFF devices are available on ITU channel spacing of 100GHz/200GHz CWDM spacing. These thin film filter products utilize hermetic and epoxy-free optical path technology ti provide excellent performance and reliability.
| Features | Applications |
| Flat and Wide Passband | DWDM System |
| High Stability and Reliability | Single Direction/Bi-direction Transmission |
| Low Insertion Loss, High Isolation | CATV System |
Performance Specification
| Parameter | Units | Value | |
| Channels | GHz | 100/200/300 | |
| Central Wavelength | nm | ITU-T Grid | |
| Pass band Flatness | dB | ≤0.5 | |
| Insertion Loss1 | Typ. | dB | 0.7 |
| Max. | 0.8 | ||
| Polarization Dependent Loss (PDL) | dB | ≤0.15 | |
| Adjacent Channel Isolation | dB | ≥25/≥25/≥30 | |
| Non-Adjacent Channel Isolation | dB | ≥45 | |
| Return Loss | dB | ≥45 | |
| Polarization Mode Dispersion(PMD) | ps | ≤0.15 | |
| Directivity | dB | ≥50 | |
| Operating Temperature | ℃ | -5 to +70 | |
| Storage Temperature | ℃ | -40 to +85 | |
Note: 1. Measured with connectors； IL will be 0.3dB worse and RL will be 5dB lower with connectors.