100W High Power Polarization Maintain In-line Isolator, HPMIIT

The high power isolator series includes in-line type, beam expanded isolator, fiber in and free space out isolator and free space isolator etc., They’re characterized with low insertion loss, high isolation, high power handling, high return loss, excellent environmental stability and reliability. They are ideal for fiber laser and instrumentation applications. 

Key Features

High isolation and low insertion loss

* Excellent environmental stability and reliability

* Fiber can be customized


* Fiber Laser

* Fiber Sensor 

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100W PM-High Power In-line Isolator,HP(M)IIT.pdf(doc:182)




High power in-line isolator,   HPMIIT

PM isolator

Operating wavelength( nm)


Peak isolation ( dB)


Isolation in band at 23℃(   dB)


Insertion loss at 23℃(   dB)


Extinction ratio ( dB)


Return loss ( dB)


Fiber type

 Input Fiber

Liekki PM 10/125 SCF

Output Fiber

Liekki PM 10/125 DCF

Input max.   power handling

Average (W)


Operating Temperature (℃)

-5 ~ +50

Storage Temperature (℃)

-20 ~ +70

Dimensions (¢x L mm)

¢45 x L155

 * Both single cladding fiber (SCF) and double cladding fiber (DCF) are available.

 * Working axis: Fast axis blocked.

 * Backward power<10% of the Input Power.

 * The isolator is suggested to be assembled on the heat sink with air cooled.    

* The loss of the light through fiber cladding is not included in the Insertion Loss specification.