3 Ports 1625nm Polarization Insensitive Optical Circulator

The 3 Ports 1625nm Polarization Insensitive Optical Circulator is a high-performance passive optical device that efficiently directs optical signals at a wavelength of 1625nm, offering low insertion loss, high isolation, and polarization-insensitive characteristics to ensure stable signal transmission. It is ideal for applications such as optical fiber monitoring (OTDR testing), WDM systems, fiber optic sensing (FOG, FBG), and nonlinear optical applications. This circulator effectively separates communication and test signals, optimizing the performance of optical networks. It is widely used in optical communications, optical testing, and high-precision sensing fields, making it perfect for scenarios with strict requirements for stability and low loss.

Specifications

Note: Above specification are for device without connector.

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.

Dimensions (Unit: mm)