1.2 Channel optical Add/Drop CWDM
Coarse wavelength division multiplexer (CWDM) utilizes thin film coating technology and proprietary design of non-flux metal bonding micro optics packaging. It provides low insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path.
Performance Specifications
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Parameter
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1 channel
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2 channel
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Add
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Drop
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Add
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Drop
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Operating Wavelength (nm)
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1471, 1491 or 1470, 1490 etc.
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Center Wavelength Accuracy (nm)
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± 0.5
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Channel Spacing (GHz)
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20nm
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Channel Pass band (@-0.5dB bandwidth) Min.(nm)
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≥13
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Insertion Loss (dB)
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Add/Drop Ch.
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≤0.6
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≤0.9
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Express Ch.
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≤0.6
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≤1.2
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Channel Ripple (dB)
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≤0.3
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≤0.3
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Isolation @add/drop channel(dB)
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Adjacent
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N/A
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>30
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N/A
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>30
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Non-adjacent
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N/A
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>40
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N/A
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>40
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Express Channel Isolation (dB)
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≧25
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Insertion Loss Temperature Sensitivity (dB/°C )
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<0.005
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Wavelength Temperature Shifting (nm/ °C )
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<0.002
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Polarization Dependent Loss (dB)
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<0.10
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Polarization Mode Dispersion (p s)
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<0.1
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Directivity (dB)
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>50
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Return Loss (dB)
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>45
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Maximum Power Handling (mw)
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300
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Operating Temperature (°C)
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-20 ~+85
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Storage Temperature (°C)
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-40 ~+85
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Package Dimension (mm)
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＆#61542; L80 x W50 x H6
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Specifications may change without notice
Ordering Information
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CWDM
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Configuration
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1 Channel
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Fiber Type
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Fiber Length
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Connector
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1=1 Ch Add/Drop
2=2 Ch Add/Drop |
471=1471nm
491=1491nm |
1=250um Bare Fiber
2=900um Loose tube Fiber |
1=1 Meter
2=2 Meter |
0=None
1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC |