The 3 Ports 1480nm Polarization Maintaining Optical Circulator is a high-performance, non-reciprocal passive device that directs light sequentially from Port 1 → Port 2 and Port 2 → Port 3, while maintaining the input polarization state. Operating at 1480 nm, it delivers low insertion loss, high isolation, and excellent polarization extinction ratio (PER), ensuring stable and precise optical signal transmission for polarization-sensitive applications.