24 May 1999 High-average-power solid state lasers with cavity formed by self-induced refractive index gratings
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Abstract
We present a self-starting Nd:YAG laser-oscillator with cavity formed by refractive index gratings and gain gratings accompanying population gratings which are induced in the laser crystal by generating beams themselves. The spatio- temporal and spectral characteristics of the laser including two Nd:YAG-amplifiers, a saturable absorber and a Sagnac interferometer are investigated. The laser-oscillator with a nonlinear mirror has displayed self-adaptivity to strong thermally induced intracavity distortions. Generation of single mode beams with up to 60 W average power and near- diffraction limited quality has been achieved.
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Oleg Leonidovich Antipov, Alexander Sergeevich Kuzhelev, Andrey Petrovich Zinoviev, "High-average-power solid state lasers with cavity formed by self-induced refractive index gratings", Proc. SPIE 3611, Laser Resonators II, (24 May 1999); doi: 10.1117/12.349251; https://doi.org/10.1117/12.349251
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