The 3 Ports 1064nm Polarization Maintaining Optical Circulator is a high-performance, non-reciprocal passive optical device designed to route light sequentially from Port 1 → Port 2 and Port 2 → Port 3, while preserving the polarization state of the transmitted beam. Operating at 1064 nm, it provides low insertion loss, high isolation, and excellent polarization extinction ratio (PER), ensuring stable and efficient optical signal transmission in polarization-sensitive laser systems.