SFW-C Coarse Wavelength Division Multiplexer (CWDM)
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SFW-C Coarse Wavelength Division Multiplexer (CWDM)

SFW-C series Coarse Wavelength Division Multiplexer and Demultiplexer (CWDM) modules are reliable, cost effective solutions to multiservice applications. They multiply the capacity of existing singlemode fibers, by combining up to 18 ITU-T G.694.2 compatible (20 nm) channels in metropolitan, access and enterprise networks and for Cable TV applications.  They are a low cost approach for systems that use uncooled laser sources, and are an alternative to more expensive DWDM components based on 100 GHz or 200 GHz channel spacing.

  • Features
  • Specifications
  • Application
  • Documents
  • High port isolation
  • Custom defined specifications
  • Low insertion loss
  • Low polarization dependent loss
  • Transmission with high directivity
  • Wide spectral channels
  • Environmentally stable
  • Wide range of packaging types – min. bend radius protection

Feature

Specification

Feature

Specification

Channel spacing

20 nm

PDL

≤ 0.1 dB

Pass bandwidth

Typ. 14 nm

Max. optical power

300 mW

Pass band flatness

0.3 dB

Operating temperature

(Conditioned by the cable type)

-10 to +70 °C

Min Isolation

≥ 40 dB non-adjacent channel

≥ 30 dB adjacent channel

Storage temperature

(Conditioned by the cable type)

-40 to +85 °C

Return loss

≥ 50 dB

Package dimensions

Refer to ord. code

Directivity

≥ 50 dB

 

 

Insertion loss (dB)1  (without connectors)

4 Channels

CWDM 4 + E

CWDM 6 CH

CWDM 6 + E

CWDM 8 CH

CWDM 8 + E

CWDM 16 + E

Typ.

M+D

Typ.

M+D

Typ.

M+D

Typ.

M+D

Typ.

M+D

Typ.

M+D

Typ.

M+D

1.5

2.5

1.7

3.0

2.1

3.7

2.3

4.1

2.5

4.5

2.7

4.9

4.8

8.8

Note:   1) M+D: Insertion loss Multiplexer+ Demultiplexer

                 Max IL:   channel 1: 0.6 dB

                               channel 2: 0.6 +0.4 dB

                               channel N: 0.6 + (N-1)x0.4 dB

Compact CWDM (Low Loss)  (without connectors)

Channel Number

4

8

8 (+E1)

8 (+E2)

Insertion Loss (dB)

1.0

1.5

1.5

1.5

Maximum Ripple in Passband (dB)

0.5

Maximum Polarization Depend Loss (dB)

≤ 0,2

Maximum Polarization Mode Dispersion (ps)

0.10 (GD)

Maximum Power Handling (mW)

500

 

  • High capacity multi channels networks
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