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  • 2024 Innovators Awards

    • Dahv Kliner

    Vice President of Fiber Laser Technology, nLIGHT

    Dahv Kliner is vice president of fiber laser technology at nLIGHT (Vancouver, WA).

    FIGURE 1. An AFX laser incorporates all-fiber beam shaping, which allows rapid switching of the output beam size and shape. The beam profile can be tuned between true single-mode and a ring, plus a variety of shapes in between. When interacting with the workpiece, ring- and saddle-shaped beams create significantly less soot and spatter.
    Laser Processing

    Ring beams change the game for powder-bed fusion

    Rob Martinsen
    Aug. 25, 2022
    Fiber beam shaping plays a key role on the path to laser powder-bed fusion for additive manufacturing of metals.
    1909 Ils09 12 F1
    Industrial Laser Solutions

    Is beam shaping the future of laser welding?

    Brian Victor
    Sept. 1, 2019
    All-optical-fiber technology provides on-the-fly beam shaping for a variety of industrial welding processes, eliminating bulk optics and laser head changes for improved productivity...
    FIGURE 1. Shown at left is the fiber cross-section (top) and refractive index profile (bottom) for a feeding fiber with three guiding regions. Simulations (right) show the beam profile coupled into the guiding regions for different perturbation conditions. The beam homogenizes azimuthally as it propagates in the fiber.
    Lasers & Sources

    High-power Fiber Lasers: Fiber laser has all-fiber tunable beam quality

    Dahv Kliner
    April 1, 2019
    A newly developed fiber laser provides real-time tunability of beam characteristics directly from the laser output fiber using an all-fiber mechanism.