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VOLUME 20 | ISSUE 6 | PAGE 185
Effect of generation of hard x rays of microsecond duration on a target to Q switching of a laser by a plasma mirror
When the radiation of a neodymium-glass laser operating in the millisecond-pulse regime was focused on a soild target and in air, generation of "giant" microsecond pulses was observed as a result of the Q switching of the laser by the produced plasma mirror. Microsecond-duration laser plasma that generates hard χ rays with electron temperature Τ e 2-4 keV in air and Τ e =; 3-7 keV on a polyethylene target, was obtained experimentally for the first time. We investigated the reflection, transparency, and gasdynamics of the obtained plasma.

Permission given by American Institute of Physics is appreciated.