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Article
Improving the Chemical Purity of Fused Corundum by High-Temperature Roasting
The chemical purity of fused corundum was demonstrated experimentally to improve after high-temperature (~1750°C) vacuum (~10–5 mm Hg) roasting. Three industrial fused corundum samples with different particle-siz...
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Article
Detection of trace impurities by time-of-flight mass spectrometry with laser-induced evaporation
A method for the determination of trace impurities of tens of ppm in solid materials is proposed, based on laser-induced evaporation of the substance in a vacuum in the forced congruence mode with simultaneous...
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Article
Experimental setup for studying processes initiated by the interaction of high-power laser radiation and matter
An experimental setup developed in cooperation between the Institute for Energy Problems of Chemical Physics and the Joint Institute for High Temperatures for studying processes that occur during laser sublima...
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Article
Studying condensed phase formed upon interaction between a high-power laser pulse and crystal aluminum oxide
Forms of the condensed phase created under the action of a high-power CO2 laser pulse (power, 4 J/pulse; λ = 10.6 μm; pulse duration, 1.5 μs) on optical sapphire (Al2O3) solid targets are investigated. The ablati...
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Article
Study of hydrodynamic and thermal characteristics of the products plume upon irradiation of a sapphire surface with a pulsed CO2-laser
This work presents the results of experimental study of hydrodynamic and thermal characteristics of a plume of suboxide AlO, produced by interaction of intensive irradiation of a pulsed CO2 laser with a target ma...
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Article
A facility for studying the spatial and temporal characteristics of a plume produced by interaction of high-power CO2 laser pulses with a solid-state target in various gas environments
An experimental facility for studying the kinetics of molecular association formation from atoms produced by evaporation of the target material by powerful CO2 laser pulses is described. First experimental result...