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LIGHT-DETONATION WAVE EXCITATED BY A LASER RADIATION IN TRANSPARENT DIELECTRIC

By Mikhail Borisovich Strigin

Abstract

The mechanisms of moving the break-down wave excitated by the picosecond laser pulses in the transparent dielectrics have been theoretically and experimentally. The experimental laser plant with passive synchronization of the modes, with pulse duration 100 pcs on the wavelength 1,064 mu m has been created. The dependence of the break-down channel growth rate upon the recurrence frequency of the laser pulses has been studied in experiment, ans its sufficient-non-linear kind has been shown. The theoretical model for channel growth, based on the generation, development and diffraction decomposition of the light-detonation wave has been proposed. The microscopic investigation on the morphology of the cracks formed in the break-down channel has been performed. The method for cutting of the transparent dielectrics, based on the light-detonation break-down mechanism, with the cut-off quality, which is just as good as the known methods applied in the industry has been proposed. The method for marking of the glasses quartz cutting and procedure for creation of the volumetric pictures inner glass have been proposed. The acting plant for quartz cutting has been created.Available from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 20E - Optics, masers, lasers, LIGHT-DETONATION WAVE, LASER RADIATION, TRANSPARENT DIELECTRICS
Year: 1997
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Provided by: OpenGrey Repository
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