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    • Helmut Kessler, Ph.D.

    CTO-Europe, IDEX Optics & Photonics

    Helmut Kessler, PhD, is CTO-Europe, at IDEX Optics & Photonics.

    FIGURE 1. High-reflection bandwidth depends on refractive-index ratios.
    Lasers & Sources

    LARGE OPTICS: Petawatt high-LIDT coatings don't sacrifice performance

    Neil Anderson
    Nov. 1, 2012
    High laser-induced damage threshold (LIDT) optical coatings help enable the highest-peak-power lasers in existence today.