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a multi-channel coarse wavelength division multiplexer module with optional wavelength and a maximum of 18 channels, which can effectively save fiber resources and networking costs. It solves the two problems of fiber shortage and multi-service transparent transmission, cWDM is a low-cost, high-performance transmission solution with many advantages, such as low cost, low power consumption, small size, etc. , now it has been widely used in man transmission.
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Parameter |
4 Channel | 8 Channel |
18 Channel |
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| Mux | Demux | Mux | Demux | Mux |
Demux |
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Channel Wavelength (nm) |
1270~1610 |
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Center wavelength Accuracy (nm) |
±0.5 |
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Channel Spacing (nm) |
20 |
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Channel Passband (@-0.5dB bandwidth (nm) |
>13 |
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Insertion Loss (dB) |
≤1.6 | ≤2.5 |
≤3.0 |
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Channel Uniformity (dB) |
≤0.6 | ≤1.0 |
≤1.5 |
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Channel Ripple (dB) |
0.3 |
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Isolation (dB) |
Adjacent |
N/A |
>30 |
N/A |
>30 |
N/A |
>30 |
| Non-adjacent | N/A | >40 | N/A | >40 | N/A | >40 |
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Inertion Loss Temperature Sensitivity (dB/°C) |
<0.005 |
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Wavelength Temperature Shifting (nm/°C) |
<0.002 |
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Polarization Dependent Loss (dB) |
<0.1 |
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Polarization Mode Dispersion |
<0.1 |
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Directivity (dB) |
>50 |
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Return Loss (dB) |
>45 |
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Maximum Power Handling (mW) |
300 |
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Opterating Temperature (°C) |
-5~+75 |
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Storage Temperature (°C) |
-40~85 |
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Package dimension (mm) |
L100 x W80 x H10 or L140xW100xH15 |
