The SFW series introduces a range of 2 wavelength division multiplexing (WDM) devices for high data rate applications requiring high wavelength isolation with a low insertion loss. The SFW series WDMs are designed to divide and/or combine different optical wavelengths by combining innovative fused technology. The SFW series are operable additional to the standard transmission windows 1310/1550 nm in wide range of wavelength combinations. Available in a wide variety of packaging configurations, various types of pigtailing and connector terminations are available to meet your requirements.
SFW series 2 channels WDMs
• High port isolation
• Custom defined specifications
• Low insertion loss
• Low polarization dependent loss
• Bi-directional transmission with high directivity
• Wide spectral channels
• Environmentally stable
• Wide range of packaging types
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Polarization dependent loss, dB |
≤ 0.1 |
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Directivity, dB |
> 55 |
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Temperature sensitivity (dB/°C) |
≤ 0.002 |
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Operating temperature1, °C |
-40 to +85 |
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Storage temperature1, °C |
-55 to +85 |
1) Conditioned by the cable type
Wavelength combinations:
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Δ λ |
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Δ λ |
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120 nm |
140 nm |
160 nm |
180 nm |
200 nm |
240 nm |
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λ (nm) |
1290/1410 1310/1430 1330/1450 1350/1470 1370/1490 1390/1510 1410/1530 1430/1550 1450/1570 1470/1590 1510/1625 |
1290/1430 1310/1450 1330/1470 1350/1490 1370/1510 1390/1530 1410/1550 1430/1570 1450/1590 1470/1610 1490/1625 |
1290/1450 1310/1470 1330/1490 1350/1510 1370/1530 1390/1550 1410/1570 1430/1590 1450/1610 1470/1625
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bandwidth ±10 nm |
IL ≤ 0.5 dB |
Isolation ≥15 dB |
1290/1470 1310/1490 1330/1510 1350/1530 1370/1550 1390/1570 1410/1590 1430/1610 |
1290/1490 1310/1510 1330/1530 1350/1550 1370/1570 1390/1590 1410/1610 1430/1625 |
1290/1530 1330/1570 1350/1590 1370/1610 |
bandwidth ±15 nm |
IL ≤ 0.3 dB |
Isolation ≥17 dB |
Transmission parameters:
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WDMs |
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Operating Wavelength, nm |
1310/1550 |
1480/1550 |
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Stage |
C |
D |
E |
C |
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Insertion Loss1, dB |
≤ 0.3 |
≤ 0.7 |
≤ 1.0 |
≤ 0.4 |
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Isolation, dB |
≥ 17 |
≥ 30 |
≥ 40 |
≥ 12 |
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Bandwidth, nm |
± 15 |
± 5 |
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1) Without connectors
- Telecommunications
- Data networks
- CATV
- Testing instruments
- RFTS
- Network monitoring
CPL_03-02_EN-SFW
