High Power Fiber In & Free Space Out Isolator, HP(M)OI

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.   


* High isolation and low insertion loss 

* PM and Non-PM are available 

* Excellent environmental stability and reliability

* Fiber can be customized


* Fiber Laser

* Fiber Sensor 

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High Power Fiber In & Free Space Out Isolator,HP(M)OI-V1.6.pdf




High power fiber in & free space   out isolator, HP(M)OI

Non-PM isolator

PM isolator

Operating wavelength( nm)


Peak isolation ( dB)


Isolation in band at 23℃( dB)


Insertion loss at 23℃( dB)


Polarization dependent loss ( dB)



Extinction ratio ( dB)


≥18(Type B),  ≥20(Type F)

Return loss (Input) ( dB)


Fiber type (can be customized)

HI1060, x/125, x/250, etc.

(x=10um, 15um, 20um, 30um,   etc.)

PM980, PM x/125, x/250, etc.

(x=10um, 15um, 20um, 30um, etc.)

Armored cable diameter

Φ10.5mm   cable, can be customized.

Output beam diameter (mm)

0.4-0.6; Others on demand

Input max. power handling

Average (W)

10, 20, higher on demand

Pulse peak(KW)

10, 20, higher on demand

Backward Power handling

4W for 5 Minutes or 10W for 5 Minutes or on demand

Operating Temperature (℃)

-5 ~ +50

Storage Temperature (℃)

-20 ~ +70

Dimensions (¢x L mm)


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

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

* Backward power<10% input power

* Dimension can be made on customer request

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