Optical Circulators

SunmaFiber offers high-quality 3-port and 4-port optical circulators with superior design and performance, all at competitive prices. These non-reciprocal optical devices enable bi-directional transmission over a single fiber, with low insertion loss and high isolation. Our circulators are widely used in fiber-optic sensor applications, modern communication systems, and advanced optical networks, providing reliable performance for WDM systems, optical amplifiers, and more.Whether you need a standard model or a custom solution, SunmaFiber provides optical circulators that meet the highest standards of quality and reliability.