Single Fiber Bidirectional Optical Circulator

Single Fiber Bidirectional Optical Circulator

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Circulator realizes non-reversible optical transmission, which guides the reverse transmission of light, separates it from the forward transmission of light in space, and outputs it from another port. It can be used with WDM MUX module and DEMUX module to realize single-fiber bi-directional transmission and save fiber resources.


● Low Insertion Loss

● Low Polarization Dependent Loss

● Wide Operating Temperature: From -5℃ to 75℃

● High Reliability and Stability

● Telcordia GR-1209-CORE-2001 compliant


CWDM System

PON Networks

CATV Links


Parameter Unit Specifications Comments
Operating Wavelength nm 1520 -1580  
Insertion Loss dB ≤1.0 P1→P2, P2→P3
Wavelength Dependent Loss dB ≤0.15 P1→P2, P2→P3
Polarization Dependent Loss dB ≤0.1 P1→P2, P2→P3
Channel Isolation dB ≥40 P2→P1, P3→P2
Directivity dB ≥50 P1→P3
PMD Ps ≤0.1  
Return Loss dB ≥50  
Operating Temperature -5 to 70  
Storage Temperature -40 to 85  
Package Dimension mm Φ5.5 * L50  
Fiber Type G657A1  

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