1310-2050nm 500mW PM Optical Circulator
Broadband polarization-maintaining optical circulator covering telecom, gas sensing, and 2.0 µm Thulium laser bands. Features typ. 38 dB peak isolation, 0.7 dB typical insertion loss, and high polarization purity.
Technical Specifications
Parameter
Specification
Unit
Center Wavelength
1310, 1550, 2000 or specified
nm
Operating Wavelength Range
±30 (1310/1550) or ±20 (2000)
nm
Port Type
3 Port / 4 Port
-
Typical Peak Isolation
38
dB
Min. Isolation @ 23°C
32
dB
Typical Insertion Loss @ 23°C
0.7 / 0.9
dB
Max. Insertion Loss @ 23°C
1.0 / 1.3
dB
Min. Extinction Ratio @ 23°C
20
dB
Min. Return Loss
50
dB
Min. Crosstalk
50
dB
Max. Power Handling (CW)
500
mW
Package Dimensions
dia. 5.5 x 35 mm
mm
Max. Tensile Load
5
N
Operating Temperature
0 to +70
°C
Storage Temperature
-40 to +85
°C
Technical Datasheet Note
With connectors, handling power is limited to 1W, IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower. Type A (all ports PM) and Type B (Port 1&2 PM, Port 3 SM) available.
With connectors, handling power is limited to 1W, IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower. Type A (all ports PM) and Type B (Port 1&2 PM, Port 3 SM) available.
Configuration and ordering notes
This PM circulator family includes different fiber mappings. All-PM and mixed PM/SM port configurations are reviewed against the listed model specification.
Selection Guidance: Compare non-reciprocal routing and optical sensing isolation in our 3-Port Optical Circulator for Fiber Sensing Guide ↗ or 1064nm and 1550nm Optical Circulator Selection.
Key Applications
Telecom & datacom systems; 2.0 µm Thulium laser systems; Gas sensing & LIDAR; Optical fiber gyroscope.
Package Drawing

Need an exact configuration?
A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.