Thin Film Filter(TFF WDM)
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Thin Film Filter(TFF WDM)
- Features
- Flat wide pass band
- Low Insertion Loss & Low PDL
- LHigh channel isolation
- High reliability
- Extended temperature range
- Customized type is available
- Applications
- Metro & Access optical networks
- PON networks
- Enterprise networks
- CWDM system
| Parameter | Unit | 850(P) / 1,310(R) | 1,310(P) / 850(R) | 1,310 & 1,490 / 1,550 | 1,260 ~ 1,460 / 1,460 ~ 1,620 / 1,260 ~ 1,620 |
|---|---|---|---|---|---|
| Operating Bandwidth | nm | +50 | +50 | 1,310(+50) / 1,490(+10) / 1,550(+10) | - |
| Transmission Wavelength(Pass) | nm | 850 | 1,310 | 1,550 | - |
| Reflection Wavelength(Ref.) | nm | 1,310 | 850 | 1,310 & 1,490 | - |
| Center Wavelength | nm | - | - | - | 1,271, 1,291, 1,311, 1,331..... 1,551, 1,571, 1,591, 1,611 |
| Channel Spacing | nm | - | - | - | 20 |
| Channel bandwidth | nm | - | - | - | λ ±6.5 |
| Channel flatness | ≤dB | - | - | - | 0.4 |
| Insertion Loss(Pass) | ≤dB | 0.7 | 0.7 | 0.8 (0.6 typical) | 0.6 |
| Insertion Loss(Ref.) | ≤dB | 0.6 | 0.6 | 0.6(0.4 typical) | ≤0.4(1,260 ~ 1,460 of 1,460 ~ 1,620) or ≤0.6(1,260 ~ 1,620) |
| Isolation Loss(Pass) | ≥dB | 30 | 30 | 30 | 30 |
| Isolation Loss(Ref.) | ≥dB | 15 | 15 | 15 | 15 |
| Polarization Dependent Loss | ≤dB | 0.1 | 0.1 | 0.1 | 0.15 |
| Return Loss | ≥dB | 30 | 30 | 50 | 50 |
| Directivity | ≥dB | 38 | 38 | 50 | 55 |
| Operating Temperature | °C | -20 ~ +70 | -5 ~ +75 | ||
| Storage Temperature | °C | -40 ~ +85 | |||
| Dimensions | nm | φ5.5 * L34(Negotiable) | |||