Ever wondered how optical circulators enable efficient signal routing in fiber optic networks? In this video, we demonstrate the 3-port optical circulator operating at 1310nm or 1550nm wavelengths, explaining its role in modern optical communication systems. You'll see how it directs light signals between ports with minimal loss, learn about its key applications in telecommunications and data centers, and get insights into its testing and reliability standards. Join us for a clear, professional walkthrough of this essential component's functionality and benefits.