1550nm 4-port Polarization Maintaining Optical Circulator

Wavelength: 1550nm

Circulator Type: Polarization Maintaining

Port: 4 ports

Fiber Type: PM Panda Fiber

Max. Handling Power: 500mW CW

1550nm 4-port Polarization Maintaining Optical Circulator
     1550nm 4-port Polarization Maintaining Optical Circulator is a fiber passive component built with SM fiber, which can 
change signal light transmission path, the signal can be delivered from Port 1 to Port 2, Port 2 to Port 3, Port 3 to Port 4, 
the high isolation can block the back reflection light. It's widely used in Fiber Amplifier System, Fiber Optic Sensor and 
Testing System field.
Application:
Features:
Fiber Optic Sensor
Fiber Optic Amplifier
Coherent Detecting
Testing System
High Extinction Ratio
High Isolation
Low Insertion Loss
High Reliability
Specification:
Parameter Symbol Value Unit
Center Wavelength λ 1550 nm
Bandwidth BW ±20 nm
Typ. Insertion Loss (Port 1 to 2, 2 to 3, 3 to 4) IL 0.8 dB
Max. Insertion Loss (Port 1 to 2, 2 to 3, 3 to 4) IL 1.0 dB
Typ. Isolation (Port 2 to 1, 3 to 2, 4 to 3) Iso 50 dB
Min. Isolation (Port 2 to 1, 3 to 2, 4 to 3) Iso 40 dB
Min. Extinction Ratio ER 20 dB
Min. Cross Talk Ct 50 dB
Min. Directivity 50 dB
Min. Return Loss RL 50 dB
Max. Optical Power (CW) P 500 mW
Max. Tensil Load 5 N
Fiber Type PM Panda fiber -
Operating Temperature T -5~50
Storage Temperature T -40~85
Package Dimension Φ5.5×L35 mm
Notice: Above specifications are tested at center wavelength without connector in room temperature @23
             For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower, ER will be 2dB lower, slow axis is default aligned to the connector key.
Drawing:
Ordering Information (Part Number):
 PMCIR-WWWW-P-A-J-LL-CC
 WWWW  P  A  J  LL  CC
 Wavelength  Port  Working Axis  Fiber Jacket  Fiber Length  Connector 
 1310 - 1310nm  4 - 4 Ports  F - Fast Axis Blocked  B - 250um Bare Fiber  05 - 0.5m  NE - None
 1450 - 1450nm       Slow Axis Working  9 - 900um Loose Tube  10 - 1.0m  FA - FC/APC
 1480 - 1480nm  B - Both Axes Working  15 - 1.5m  FU - FC/UPC
 1550 - 1550nm  20 - 2.0m  SA - SC/APC
 1580 - 1580nm       SS - Specify  SU - SU/APC
 LA - LC/APC
      LU - LC/UPC
 SS - Specify
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