• Kristian Buchwald

    Kristian Buchwald is vice president of the Grating Business Unit at Ibsen Photonics A/S (Farum, Denmark).

    FIGURE 1. As seen in this schematic, the phase-mask method of FBG writing produces an interference pattern that projects downward through space onto an optical fiber (top), resulting in evenly spaced FBG pattern in to fiber (bottom).
    Ralph Delmdahl
    Feb. 17, 2016
    An interference lithography based production system enables pushbutton fabrication of fiber Bragg gratings (FBGs) for remote fiber sensing.