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1x2 PM Coarse Wavelength Division Multiplexer |
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Features |
Applications |
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Low Insertion Loss |
CWDM System |
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High Return Loss |
CWDM/OADM Module |
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High Channel Isolation |
CWDM/OADM Networks |
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Wide Transmission Width |
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High Reliability & Stability |
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Specifications |
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Parameters |
Unit |
Values |
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CentralWavelength |
nm |
ITU or ITU+1 Central Wavelength |
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Operating Wavelength |
nm |
1260~1460 or 1460~1620 or 1260~1620 Operating Wavelength |
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Channel Space |
nm |
20 Channel space |
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Min.Channel Bandwidth@¦Ëc |
nm |
¡À 6.5 Channel bandwidth@¦Ëc |
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Max.Channel Flatness |
dB |
0.4 Channel flatness |
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Max.Insertion Loss |
Transmission Channel |
dB |
0.6 Max.IL Pass Channel |
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Reflection Channel |
dB |
0.4 (1260~1460 or 1460~1620)or 0.6(1260~1620) Reflection Channel |
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Min.Isolation |
Adjacent channel |
dB |
30 Min. Isolation Adjacent channel |
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Non-adjacent channel |
dB |
40 Non-adjacent channel |
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Reflection Channel |
dB |
12 Reflection Channel |
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Directivity |
dB |
55 Directivity |
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Min.Return Loss |
dB |
50 Min. Return loss |
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Min.Extinction Ratio |
dB |
18 |
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Max.Wavelength thermal stability |
nm/¡æ |
0.003 Max. Wavelength thermal stability |
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Max.Insertion loss thermal stability |
dB/¡æ |
0.005 Max. Insertion loss thermal stability |
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Max.Power handling |
mW |
500 Max. Power handling |
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Operating Temperature |
¡æ |
0~+70/-40~+85 Operating Temperature |
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Storage Temperature |
¡æ |
-40~+85 Storage Temperature |
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For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower; |
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The default connector key is aligned to slow axis; |
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Package Dimensions |
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Ordering Information |
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PMCWDM-22-34567-888 |
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22 |
-Center wavelength: |
27=1270nm or 1271nm, ......,55=1550 or1551nm,......,61=1610nm or1611nm |
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3 |
-Operating wavelength: |
F=Full wave(1260nm~1620nm), H=half wave(1260~1460 or 1460~1620) |
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4 |
-Port type: |
1=1x1, 2=1x2 |
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5 |
-Fiber type |
1=PM Panda fiber |
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6 |
-Pigtail type: |
0=250 bare fiber, 1=900um loose tube, 2=2.0mm loose tube, 3=3.0 loose tube |
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7 |
-Fiber length: |
0=0.8m,1=1m |
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888 |
-Connector type: |
0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC |