Abstract
In industrial applications of solid state lasers, such as materials processing, it is necessary to surround the laser with auxiliary optical devices. Discussed in this paper are the optical peripherals, which include appropriate optics for shaping, directing and focusing the laser beam, optics for viewing of the worksite, components to protect optics from contamination due to ejected material, beam monitors, radiation enclosures and safety shields necessary to provide for the safety of operating personnel and passersby.

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