CWDM OADM Module
Descriptions
CWDM, the abbreviation of coarse wavelength division multiplexer, are based on proven thin-film filter technology and can be
used in multi-channel CWDM module. CWDM channel Add/Drop module is cascaded with 1×2 CWDM components.
Features
Wide passband
Low Insertion Loss
High Channel Isolation
High Stability and Reliability
Expoxy Free in Optical Path
Applications
Optical Fiber Communication
Systems
CWDM channel Add/Drop
Metro/Access networks
CATV Networks
Specifications
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Parameters |
CWDM Add |
CWDM Drop |
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Operating Wavelength(nm) |
1471, 1491 or 1470, 1490 etc. |
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Center wavelength accuracy(nm) |
±0.5 |
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Channel Space(nm) |
20 |
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Passband (@-0.5dB bandwidth)(nm) |
>13 |
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Insertion Loss(dB) |
Add/Drop Ch |
<0.9 |
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Express Ch |
<1.2 |
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Add/Drop Pass band Flatness (dB) |
<0.3 |
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Add/Drop channel Isolation(dB) |
Adjacent Channel |
>30 |
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Non-adjacent Channel |
>40 |
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Express channel Isolation (dB) express |
>25 |
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Insertion Loss Thermal Stability(dB/°C) |
<0.003 |
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Wavelength Temperature Shifting(nm/ C) |
<0.002 |
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PDL(dB) |
<0.1 |
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PMD(ps) |
<0.1 |
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Return Loss(dB) |
>45 |
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Directivity(dB) |
>50 |
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Power handling(mW) |
≤500 |
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Operating Temperature(°C) |
-5 ～ +75 |
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Storage Temperature(°C) |
-40 ～ +85 |
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Package Size(mm) |
100×80×10 |
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Remark: 1. Above specifications are for device without connector.
2. For devices with connectors, 0.3dB higher for IL.
Ordering Information
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OADM – A — B — C - D — E — F — G — H — I |
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A |
Channel Spacing |
C=CWDM |
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B |
Channels Number |
2=2Ch |
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C |
1st Channels |
1471, 1491, 1511, 1531, 1551, 1571, 1591, etc |
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D |
Pigtail Type |
B=250um bare fiber, 0.9=0.9mm loose tube, 2.0= 2.0mm loose tube, 3.0=3.0mm loose tube etc |
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E |
Fiber Type |
SMF-28e, SMF-28e XB, Others |
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G |
Connector Type |
N=None, LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC, etc |
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H |
Package Size |
100×80×10mm, Others. |
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I |
Fiber length |
005=0.5m, 010=1.0m, etc |
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For example：OADM –C- 2-14911551--0.9-SMF-28e-FC/APC-100x80x10-010 |
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