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Tap Isolator/Filter Wavelength Division Multiplexer Hybrid

The TIWDM series combines filter WDM, tap coupler and isolator into a compact package. This device is ideal for fiber amplifier application to provide input signal power monitoring, pump/signal multiplexing and isolation functions at the same time. It offers the advantages of cost saving, space saving, and performance improvement.


  • Product Detail

Key Features

Applications

Low Insertion Loss

Raman Amplifier

High Isolation

System Monitoring

Compact Size

 


Specifications

 Parameter

Unit

Value

 Stage

 

 

 

-

Single Stage

Dual Stage

 Pass Band

Signal Wavelength Range


nm

 1530 - 1580

 1550 Signal

Tap Ratio @ Input → Tap

 

 

%

1 ± 0.5, 5 ± 1 , 10 ± 2

 980 Pump

Max. Signal IL @ Input → Common, Tap


1%

dB

1.0

1.2

 

 

 

5%

dB

1.2

1.4

10%

dB

1.5

1.7

 1480 Pump

Max. Signal IL @ Input → Common, Tap

 

1%

dB

1.0

1.2

5%

dB

1.1

1.3

 

 

 

10%

dB

1.3

1.5

Min. Signal Isolation (1550 ± 10 nm for Single




 

Stage, 1550 ± 30 nm for Dual Stage, at 23 ℃)

 

 

dB

                   30

                     40

Max. Polarization Dependent Loss


dB

0.1

0.2

 

Max. Polarization Mode Dispersion

 

 

ps

0.251

0.05

 Reflection Band

Wavelength Range

980 Pump


nm

950 - 1010

 

 

1480 Pump

 

nm

1450 - 1490

Max. Insertion Loss @ Pump → Common


dB

0.5

 

Max. Polarization Dependent Loss

 

 

dB

0.05

 Min. Return Loss

dB

50

 Min. Directivity (Pump to Tap/Input) @ Pump Wavelength

 

 

dB

45

 Max. Optical Power (Continuous Wave)

mW

300

 Max. Tensile Load

 

 

 

N

5

 Fiber Type for 1480 Pump


-

SMF-28 Fiber for all Ports

 Fiber Type for 980 Pump

 

 

 

-

SMF-28 Fiber for Input & Tap Ports


-

HI 1060 Fiber for Common & Pump Ports

 Operating Temperature

 

 

 

- 5 to + 70

 Storage Temperature


- 40 to + 85


1Low PMD version is available. PMD < 0.05 ps.

2IL is 0.3 dB higher, RL is 5 dB lower for each connector added.

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