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CWDMM (4 Channels/8 Channels)

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Product Name: Coarse Wavelength Division Multiplexers Module (4 Channels/8 Channels) (CWDMM Series)


The Coarse WDM Module is expanding the bandwidth of Metro/Access Networks. The 4 channel and 8 channel CWDM modules are based on Coarse Wavelength Division Multiplexer devices. They can act as MUX/DEMUX with 20 nm channel spacing. It has low insertion loss, low PDL, high isolation and good thermal stability.


Specifications

Parameter

Unit

Value

Filter type

 

Half band

Full band

Operating Wavelength Range

nm

1460 ~ 1620

1260 ~ 1620

Center Wavelength

nm

1470  1490  1510  1530  1550  1570  1590  1610

Min. 0.5 dB Pass Bandwidth

nm

13

Max. Transmission Insertion Loss

dB

0.6

Max. Reflection Insertion Loss 

dB

0.5

Min. Adjacent Ch. Isolation 

dB

25

Min. Return Loss 

dB

50

Max. Polarization Dependent Loss  

dB

0.1

Thermal Stability 

dB/℃

0.005

Max. Optical Power (Continuous Wave)

mW

300

Fiber Type  

 

SMF-28 fiber

Operating Temperature 

-5 to +70

Storage Temperature  

 -40 to +85


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