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C/DWDM

Passive CWDM is an implementation of CWDM that uses no electrical power. It separates the wavelengths using passive optical components such as bandpass filters. Many carriers are promoting passive CWDM to deploy fiber to the home and other base-station.
Description

Features

Low Insertion Loss
High Isolation
Low PDL
Compact Design
Wide Operating Wavelength: 1470nm to 1610nm
Wide Operating Temperature: -40 to 85°C


 

Application

WDM Network
Telecom Munication
CWDM System
Line Monitoring

CWDM

Parameters

Spec

Unit

4 ch

8 ch

16 ch

Insertion Loss

≤2.5

≤4.2

≤5.6

dB

Central wavelength

1270,1290,1310,...1610

1271,1291,1311,…1611

nm

Central wavelength

20

nm

Channel Space

±6.5

nm

Adjacent Channel Isolation

≥30

dB

Non-Adjacent Channel Isolation

≥40

dB

Return Loss

≥50

dB

Directivity

≥55

dB

PDL

≤0.15

≤0.20

dB

Polarization Mode Dispersion

≤0.10

≤0.15

ps

Responsivity

≤500

mW

Working Temp.

0 to +70

°C

Storage Temp.

-40 to +85

°C

Connector Type

NA

-

Fiber Type

Corning SMF-28e+ with 0.9mm loose tube ,yellow

-

Fiber Length

Customization

m

Package Size

100*80*10

100*80*10

120*80*18

mm

Customization

 


 
DWDM

Parameter

MUX/DEMUX

Working Wavelength (nm)

ITU Grid

CWL Accuracy(nm)

±0.05

±0.1

Channel Space (Ghz)

100

200

Passband(@-0.5dB (nm)

>0.22

>0.5

Transmission Insertion Loss(dB)

≤1.0

≤0.9

Reflection Insertion Loss(dB)

≤0.6

≤0.6

Insertion Loss Ripple (dB)

<0.3

Isolation

Adjacent Channel

>30

Non-Adjacent Channel

>40

TDL (dB/℃)

<0.005

TDW (nm/℃)

<0.002

Polarization Dependent Loss (dB)

<0.1

Polarization Mode Dispersion (dB)

<0.1

Directivity (dB)

>50

Return Loss(dB)

>45

Max. Power(mW)

500

Working Temp. (℃)

-10 ~ +75

Storage Temp. (℃)

-40 ~ +85

Package Size (mm)

Φ5.5x34 (L38 for 900um Loose tube

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