Highly birefringent (HiBi)
Polarization-Maintaining Fibers


Fibercore’s industry-leading highly birefringent (HiBi) fibers are engineered for high-performance interferometric and polarimetric sensors, integrated optics, and advanced communication systems.

Our HiBi PM fibers feature a Bow-Tie configuration, where Stress Applying Parts (SAPs) act as opposing wedges, creating optimal stress distribution. This ensures superior polarization maintenance and unmatched performance in even the most demanding applications.

Tailored for precision, our Bow-Tie fibers can be customized to optimize performance in applications such as fiber optic gyroscopes, current sensors, optical current transformers, all-fiber polarizers, PM telecom fibers, and more.

As the global leader in PM fiber technology, Fibercore boasts the largest installed base and market share, supplying the world’s top consumers of PM fiber.

Designed with optimized engineering and cutting-edge technology, our HiBi fibers ensure exceptional stability, reliability, and optical performance, meeting the most demanding requirements of advanced applications.




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