PM Circulator(single axis)
Product features:Application:
Low insertion lossFiber Amplifier
High return lossFiber Sensing
High extinction ratioOptical Instruments
High isolation
High stability and reliability


Type-Type AType B
Configuration-3 Port4 Port3 Port3 Port4 Port3 Port4 Port
Center Wavelengthnm1550, 131020001550, 13101064
Center Wavelength Tolerancenm±20±20±5
Typical Insertion Loss  (23℃)dB0.
Max. Insertion Loss  (23℃)dB0.
Typical peak isolation (23℃)dB46303030
Minimum isolation (23℃)dB40202025
Min. Extinction Ratio (23℃)dB22182020
Minimum crosstalkdB50405050
Minimum return lossdB50
Max. Handling Power(CW)mW300
Max. Pull forceN5
Fiber Type-PM Fiber
Working temperature-5~+70
Storage temperature-40~+85

For the devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, and ER will be 2dB lower for each connector added. Connector key is aligned to low axis.


1111 - Center Wavelength:2000=2000nm, 1550=1550nm,1310=1310nm, 1064=1064nm,......
   2 - Configuration3=3-Port, 4=4-Port
   3 - TypeA=Type A, B= Type B
   4 - Working Axial Direction:F=slow axis working / fast axis blocked
 555 - Fiber Type:001=PM1550, 002=PM1310, 003=PM980, 045=PM1950, SSS=Customize
   6 - Package Dimension:0=φ5.5x35mm, 1=φ5.5x50mm, S=Customize
   7 - Fiber Pigtail Type:0=Bare Fiber, 1=900μm Loose Tube
   8 - Fiber Pigtail Length:0.75=0.75m, 1.0=1m, S=Customize
 999 - Connector Type0=FC/UPC, 1=FC/APC, 2=SC/UPC, 3=SC/APC,  N=No Connector, S=Customize

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