1310nm / 1550nm / 2000nm Polarization Maintaining Optical Fiber Circulator

Our pm circulator is one type of products, allowing the light to transmit through the route established , from port 1 to port 2, and from port 2 to port 3, blocking the reversed.

PM Fiber Circulator (Fast axis blocked)

Features Applications
Low Insertion Loss EDFA & Raman Amplifier
High Return Loss Fiber Sensor
High Isolation Fiber Instrument
High Extinction Ratio
High Reliability& Stability

Specifications
Parameter Value
Type - Type A Type B
Port Type - 3 Port 4 Port 3 Port 4 Port 3 Port 4Port
Center Wavelength 1310 or 1550nm 1310 or 1550nm 1064nm
Operating Wavelength Range ±20nm ±20nm ±5nm
Typ. Insertion Loss at 23℃ 0.7dB 1.1dB 0.6dB 1.0dB 1.8dB 2.2dB
Max. Insertion Loss at 23℃ 0.9dB 1.3dB 0.8dB 1.2dB 2.1dB 2.5dB
Typ. Peak Isolation 23℃ 46dB 30dB 30dB
Min. Isolation at 23℃ 40dB 20dB 25dB
Min. Extinction Ratio at 23℃ 22dB 20dB 20dB
Min. Cross Talk 50dB
Min. Return Loss 50dB
Max. Optical Power(CW) 300mW
Max. Tensile Load 5N
Operating Temperature -5~+70℃
Storage Temperature -40~+85℃
For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower.
The default connector key is aligned to slow axis.

Ordering Information
PMCIR-1111-234-555-678-9999
1111 -Center Wavelength: 1550=1550nm,1310=1310nm
2 -Port Type: 3=3-Port, 4=4-Port
3 -Stage: A=Type A, B= Type B
4 -Axis Alignment: F=Slow axis working, Fast axis blocked
555 -Fiber Type: 001=PM1550, 002=PM1310, 003=PM980, 004=Hi1060, 008=SMF-28E
6 -Package Dimension： 0=φ5.5x35mm, S=Specified
7 -Pigtail Type: 0=250μm bare fiber, 1=900μm loose tube
8 -Fiber Length: 0=0.8m,1=1m
9999 -Connector for Port 1,2,3,4: 0=FC/UPC,1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC, N=None

Company introduction:

High power Optical Fiber Components:
-Optical Fiber Isolator, up 100W;
-Free Space Isolator, up to 100W;
-Optical Circulator, up to 30W;
-Pump Laser Protector;
-Band Pass Filter;
-Nx1 Pump Combiner;
-Cladding Power Stripper;
-Mode Field Adapter;
-(N+1)x1 Pump & Signal Combiner, 200W/port;