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Polarization Maintaining Isolator WDM(PMIWDM)

The Polarization Maintaining Isolator WDM is a hybrid device that has functions of WDM and isolator in a single compact package. The PMIWDM is characterized with low insertion loss, high extinction ratio, high isolation, high return loss and excellent environmental stability and reliability. It is ideal choice for fiber amplifier application to combine signal and pump wavelength with stable signal isolation.


Key Features:

* Low insertion loss

* High extinction ratio

* High isolation

* Excellent stability and reliability


Applications:

* Fiber lasers

* Fiber amplifiers 

  • Details
  • Picture

PM Isolator WDM(PMIWDM ).pdf(doc:030)


Specifications:

                                                      Type

Parameter    

Unit

Polarization   Maintaining Isolator WDM

Single Stage

Dual stage

Single Stage

Dual   stage

Operating wavelength

nm

T1064±5/R980±15

T1530~1580/R980±15

IL over pass band @23℃

dB

≤2.3

≤3.5

≤0.8

≤1.0

IL over reflection band

dB

≤0.6

Extinction ratio (Only for Signal Port)

dB

≥20(Type B)    ≥23(Type F)

Isolation for signal @23℃

dB

≥30

≥45

≥30

≥46

Return loss

dB

≥50

Fiber type

/

PM fiber for common & pass   port;

PM   fiber or SM fiber for reflect port

Handling power

mW

≤300

≤500

Operating   temperature

-5~+50

-5~+70

Storage   temperature

-40~+85

Dimensions

mm

Ф5.5× L35 or Ф3.0× L30

Type B: Both axis working, Type F: for Fast axis blocked.

IL is 0.3dB (1310~1550nm) or 0.5dB (1064nm) higher, RL is 5dB lower and ER is 2dB lower for each connector added. The default connector key is aligned to slow axis.