The fiber optic circulators are nonreciprocal, passive multiport (3-port or 4-port) devices. The key functionality of a fiber optical circulator is directing light sequentially from port to port with low loss in only one direction which results in the separation of signals which travel along an optical fiber in opposite directions. LFIBER manufactures various in-line fiber optical circulators, including high-power optical circulators, single-mode & multimode fiber circulators (polarization-independent & polarization-maintaining fiber optical circulators). These fiber circulators are customizable upon request.
 
Single-Mode Optical Circulators Multimode Fiber Optic Circulator
3-Port 4-Port Optical Circulators Fiber Optic Circulator
Fiber Optic Circulators High Power Optical Circulator
PM Fiber Optic Circulator Polarization Maintaining Optical Circulators