3 Ports C+L 1528~1610nm Singlemode Polarization Insensitive Optical Circulator

3 Ports C+L 1528~1610nm Singlemode Polarization Insensitive Optical Circulator

The 3 Ports C+L 1528~1610nm Singlemode Polarization Insensitive Optical Circulator is a passive optical device designed for C-band and L-band optical communication systems. It efficiently transmits optical signals in a fixed direction (Port 1 → Port 2 → Port 3) while maintaining low insertion loss and high isolation. Its polarization-insensitive design ensures stable signal transmission, and the compact package enhances system reliability. Widely used in DWDM optical networks, optical amplification (EDFA/Raman), fiber optic sensing, and bidirectional optical communication, this circulator helps optimize signal quality, reduce power loss, and improve optical path control, making it an ideal choice for high-performance optical networks.

Specifications

Note: Test environment: 25°C. Data shown exclude connectors. Adding connectors will increase insertion loss by 0.3dB and reduce return loss by 5dB.

Features

Three-port circulator
Low loss, good interchangeability, good inter-pluggability.

Three independent ports
It has low insertion loss, broadband high isolation, and low PDL.
Excellent temperature stability can be used for wavelength addition and subtraction, dispersion compensation, and EDFA applications.

Application Diagrams

Circulator can be used to send optical signals through a single fiber in two directions.
As the picture shows: A Circulator is located at both ends of the fiber. Each Circulator functions to add a signal in one direction while removing the signal in the other.

Dimension Drawing (Unit: mm)