• Adrian Carter

    Adrian Carter is chief technology officer at Nufern.

    FIGURE 1. A schematic representation of a double-clad active fiber structure (a) and an energy diagram of an Er:Yb co-doped glass indicating the major transitions (b).
    Clémence Jollivet
    Sept. 14, 2016
    Rare-earth doped, double-clad fibers offer large volumes for optical pumping, with the potential for improved performance in applications such as CATV, lidar, and medical systems...
    FIGURE 1. The energy level diagram is shown for holmium (Ho)-doped glass.
    Bryce Samson
    Aug. 1, 2012
    A 140 W, 2.13 µm mid-infrared (mid-IR) fiber laser operating with 60% slope efficiency is possible using holmium-doped silica fibers operating at the long-wavelength limit of ...