CCWDM Module
Compact Coarse Wavelength Division Multiplexing, ultra small size, ultra low insertion loss, 20nm channel spacing, pass band ITU +/- 7 nm, high isolation
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Product Overview
CWDM, Coarse Wavelength Division Multiplexing, 18 wavelengths ITU defined to use for optical signals transmission
Specification


Parameters

Unit

Specifications

Note

Operation Wavelength

nm

1520 ~ 1570

Channel Number

18

or Customized

Channel Spacing

GHz

100

Center Wavelength

nm

ch-20 ~ ch-37

or

ch-38 ~ ch-55

18CH, or other C band, ITU-T grid 

Channel Pass Band

nm

λ ± 0.11

Insertion Loss

dB

 3.2

18CH

 3.0

16CH

Passband Ripple

dB

 0.5

Adjacent Isolation

dB

 30

Non-Adjacent Isolation

dB

 40

PDL

dB

≤ 0.3

Return Loss

dB

 45


Main Features



  • Based on thin film filter technology
  • Cost-effective WDM technology
  • High channel isolation
  • High stability and excellent reliability
  • High durability
  • Low insertion loss
  • Low polarization dependent Loss
  • Wide operating wavelength range
  • Ultra flat wide pass band
  • Telcordia compliant
  • RoHs compliant
  • Compact size




Application Scenarios

  • Single direction/Bi-direction
  • Metro/Access optical network
  • Unidirectional network traffic rings
  • Enterprise networks
  • FTTH application
  • CWDM systems


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