Abstract:
An examination is made of the transient process of output beam shaping in high-gain pulsed lasers with a short inversion lifetime. It is shown that to obtain an output beam with diffraction-limited divergence in such lasers, resonators with large magnifications M must be used. Results are reported of experiments on pulsed copper vapor lasers. Studies were made at different levels of excitation of the active medium over a wide range of variation of M.
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