• Jaroslaw Abramczyk

    Jaroslaw Abramczyk is technical manager–fiber test and measurement at Nufern.

    FIGURE 1. Optical fibers are most commonly based on the double-clad fiber geometry (a), commonly with an octagon-shaped inner cladding to increase pump absorption (b).
    George Oulundsen
    Jan. 1, 2012
    Fiber laser performance at the kilowatt power level has been improved by the careful matching of active and passive fibers, which has led to higher-power operation while maintaining...