E A Magulariya

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Techniques for fabrication of multilayer dielectric mirrors with the reflectivity varying over their surfaces are described. They were used at the output of the cavity of a high-power industrial Nd + : YAG laser to form a beam with a Gaussian or super-Gaussian intensity distribution. The permissible range of variation of the mirror reflectivity was 40% 9 0(More)
Nonlinear bleaching of output mirrors, made of a nonabsorbing cholesteric, in an Nd: YAG laser was investigated. In the cw regime there was no difference between the output powers of lasers with dielectric and cholesteric mirrors. In the pulse-periodic regime (pulse duration 500 ns, repetition frequency 4.5 kHz) the lasing disappeared after 0.5-5.0 min(More)
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