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How FWDM works in FTTH network  
 

Features of FWDM

Wide bandwidth

Low insertion loss

High channel isolation

Exceptional reliability and stability


Applications

l Optical amplifiers

l CATV


Specifications

Item

Unit

Parameters

Note

Pass Port (C-P)

Central Wavelength lp

nm

1550

Wavelength Range

nm

1535~1560

Insertion Loss

dB

0.60

Flatness

dB

0.30

Isolation @λR

dB

30

Reflect Port (C-R)

Central Wavelength lR

nm

1310&1490

Wavelength Range

nm

1260~1360,1480~1500

Insertion Loss

dB

0.40

Flatness

dB

0.25

Isolation @λP

dB

18

Directivity

dB

50

Optical Return Loss

dB

50

Polarization Dependent Loss

dB

0.1

PMD

ps

0.1

Thermal Stability

dB/

0.005

Optical Power

mW

500

Tensile Load

N

5

Operating Temperature

-5 to +70

Storage Temperature

-40 to +85

Fiber type

SMF-28e

Package dimension

mm

5.5*38


fwdm in ftth





 
 
 
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