Lumentum’s advanced active and passive fibers are specifically engineered for continuous wave fiber laser systems and beam-delivery applications. Each draw of fiber undergoes meticulous inspection for glass and coating imperfections, ensuring dependable performance under the most demanding conditions. For specialized requirements, Lumentum offers custom fiber designs tailored to specific core numerical apertures (NAs) and geometric properties, enabling seamless integration across a wide range of industrial, scientific, medical, and defense applications.