High-efficiency high-power ring laser amplifier
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United States of America Patent
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Jun 5, 2018
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app pub date -
Sep 18, 2017
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Nov 16, 2016
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Abstract
A high-efficiency high-power ring laser amplifier includes four polarizers, four amplifiers, fours lens, two filter apertures, two electro-optic switches, a mirror, a wavefront corrector. A bidirectional ring laser amplifier configuration with twin pulses is suitable for any type of gain media and pumping configurations. This amplifier configuration can effectively improve the extraction efficiency of the gain medium. The amplification configuration proposed by the present invention patent can realize the ring amplification for any number of rounds in principle, and can effectively control quality of the output laser beam and relax the restriction on the injected energy. The two spatial filters in the novel high-efficiency high-power ring laser amplifier of the present invention patent can effectively removing the spatial modulations in the laser beams, and the first and second spatial filters reimage the beam at wavefront corrector to mirror which can effectively inhibit the diffraction effect.
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