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Polarization Maintaining filter WDM (T2000R1570 PMFWDM)

The Polarization Maintaining filter WDM provides wavelength division multiplexing while maintaining signal polarization. The PM FWDM is characterized with low insertion loss, high return loss, high extinction ratio and excellent environmental stability and reliability. It is ideal for high speed WDM network systems.


Key Features

Low insertion loss

High Extinction Ratio

Excellent stability and reliability 


Applications

WDM network systems

Fiber lasers

Fiber amplifiers


  • Details
  • Picture

PM Filter WDM(PMFWDM).pdf(doc:184)


Specifications

                            Type

Parameter

Unit

T2000/R1570 Polarization Maintaining filter WDM

Pass band (PB)

Wavelength range

nm

1950~2050

Insertion loss

dB

≤0.8

Isolation @RB

dB

≥25

Reflection band (RB)

Wavelength range

nm

1560~1580

Insertion loss

dB

≤0.6

Isolation @PB

dB

≥12

Extinction ratio (Only   for signal port)

dB

≥18

Return loss

dB

≥50

Directivity

dB

≥50

Handling power

mW

≤300

Fiber type

/

PM fiber for Common and   Pass port; PM fiber or SMF-28e fiber for Reflection port

Operating   temperature

-5 to +70

Storage   temperature

-40 to +85

Dimensions

mm

Ф5.5×   L35

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

The default connector key is aligned to slow axis.