Roger L. Farrow

Senior Fiber Laser Engineer, nLIGHT

Roger L. Farrow is senior fiber laser engineer at nLIGHT (Camas, WA).

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

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.