An optical circulator is a component that can be used to separate optical power that travels in opposite directions in one single fiber. A fiber optic circulator is a three-port device that allows light to travel in only one direction from port 1 to port 2, then from port 2 to port 3. Fiber Circulators are known for their reliability in increasing transmission capacity of existing networks. Because of its high isolation and low insertion loss, optical circulators are widely used in advanced communication systems. With the development of advanced optical networks, applications of optical circulators are expanding rapidly from communication systems to medical and imaging fields such as OCT applications.

 Gould offers a selection of highly reliable high power fiber optic polarization maintaining (PM) circulators  suitable for your applications.  Gould’s Low Wavelength Fiber optic circulators (3 port and 4 port) are offered at 780, 810, 850, 980, 1030 and 1064nm with power levels ranging from 5 watts and 10 watts. Gould also offers a 3 port high power PM optical Circulator that operates at 2000nm with a band pass of  +/-30nm.