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Use of ion beam sputtering in the fabrication of high-quality optical coatings for laser and telecommunication applications

Many lasers and telecommunication devices demand sophisticated optics requiring precise control of the thin film coating process. The advantages of ion beam sputtering in providing a reproducible and accurately controlled process will be discussed, and the use of statistical process control for process refinement will be described. Applications to difficult coatings such as dichroic and trichroic filters for diode pumped solid state lasers, Brewster angle plate polarizers, and edge filters for telecommunication devices will be presented.