Abstract

In this work, 10.6-μm pulsed laser damage studies were performed on reflective and antireflective coatings on Si, Ge, and ZnSe substrates. Single-pulse damage threshold determinations were conducted at two different laser spot sizes. A high-resolution TV system was used to perform visible light scattering studies, the results of which correlated with laser damage at 10.6 μm. Single-pulse damage determinations along with visible light scattering and multipulse damage determinations inidicate that coating performance can be improved substantially by reducing the density of scattering centers present on the coatings.

© 1986 Optical Society of America

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