Abstract
The phase distortion's influence on the radial luminosity of the laser radiation in distant zone occurred in mirrors with radial reflection coefficient has been investigated. It was shown that the radial luminosity diminished 1.5 - 2 times in comparison with mirrors characterized by constant or having spherical front radial phase's distribution along a mirror coating. New methods of radial phase distortion compensation are suggested for increasing of the radial luminosity of the phase front: (1) a deposition of additional layers with required radial thickness function, (2) a special choice of reflective coating's structure. Examples of the synthesis and practical making of output mirrors of CO2-laser's unstable resonators are demonstrated. Due to the mirrors with phase distortion compensation of laser radiation the radial luminosity increased 3 time in comparison with the usual mirrors.© (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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