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Dense Wavelength Division Multiplexer (Dense WDM)
 
The Dense Wavelength Division Multiplexer DWDM series are designed and manufactured to Telcordial standard and ITU standard. The devices use environmentally stable Thin Film Filters and advanced packaging technology to achieve wide pass band, low insertion loss, high channel isolation and excellent environmental stability. They can be used individually to perform single channel add or drop function or can be cascaded into sequence for multi-channel applications in DWDM systems.

Specifications - DWDM

Parameters
Values
Filter type
200GHz
100GHz
Pass Band Center wavelength CWL
ITU Grid
Min. Bandwidth@0.5dB
0.5nm
0.2nm
Typ. Bandwidth@0.5dB
0.7nm
0.4nm
Max insertion Loss@C->P
1.0dB
1.2dB
Typ. insertion Loss@C->P
0.8dB
1.0dB
Min. Channel Isolation@C->P
25dB
25dB
Typ. Channel Isolation@C->P
30dB
30dB
Reflection Band Max. Insertion Loss@C->R
0.5dB
Typ. Insertion Loss@C->R
0.3dB
Min. Channel Isolation@C->R
12dB
Typ. Channel Isolation@C->P

14dB

Min Return Loss
50dB
Min Directivity
50dB
Max.PDL
0.1dB
Typ. PDL
0.05dB
Center wavelength stability
0.002nm/°C
Thermal Stability
0.005dB/°C
Max. optical power
300mW
Max. tensile load
5N
Fiber Type
Corning SMF-28
Operation Temperature
-5°C to +70°C
Storage Temperature
-40°C to +85°C

Note1: Values specified are without connector loss.

Package Dimensions- DWDM

 

Ordering Information- Dense Wavelength Division Multiplexer (Dense WDM)
DWDM-SM-R-SS-X-Y-Z
R : Channel spacing 1 - 100 GHz, 2 - 200 GHz
SS : ITU Grid ITU
X: Pigtail type B - 250um bare fiber,  L - 900um loose tube,  C - 3mm cable, S -  Specify 
Y: Pigtail length 1-  1.0m,  S -  Specify
Z: Connector   1 - FC/UPC, 2 - FC/APC, 0 - None, S - Specify
 

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