Problems of laser-plasma thruster creation for space applications are analyzed. Results of laboratory researches concerning the choice of solid-state laser, operating mode and target material are considered. Characteristics of micro-thruster with diode pumping are discussed
Analysis of experimental studies of laser action on condensed absorbing media performed for a wide spectral range from 0.248-10.6 micrometers has revealed that the processes of starting plasma formation are identical in that they display an erosion character of the laser plasma origin and a weak dependence of the threshold of its formation on the laser radiation wavelength, which is due to the locally inhomogeneous character of laser vaporization and near-surface plasma formation.
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