Abstract
An investigation was made of the angular characteristics of the output radiation of a neodymium-glass laser system with wavefront reversal by a three-wave parametric interaction. A telescopic amplifier with a gain of ~ 103 was used in the system. The proportion of the reversed radiation was 30% when the pump radiation divergence was close to the diffraction limit. The half-width of the angular distribution of the radiation energy at the output of the system was 10−4 rad. The reasons for failure to achieve complete reversal were analyzed.
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