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SOME METHODS OF INTRACAVITY CONTROL OF SPATIAL AND TEMPORAL PARAMETERS OF INDUSTRIAL CO_2 LASER BEAM

机译:工业CO_2激光束空间和时间参数的肝内心腔内控制方法

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Variable reflectivity mirror in the unstable resonator was used to improve the quality of multimode beam of the multi-kW cw CO_2 laser. Eight-fold increasing of the axial brightness of radiation and angular divergence of 1 mrad were achieved. Characteristics of the industrial 1.5 kW cw CO_2 laser beam with a temporal reflectivity controlled mirror as a output mirror of the resonator were investigated. The pulse-periodical regime of the beam generation in the range of pulse repetition up to 2 kHz was realised.
机译:不稳定谐振器中的可变反射率镜用于提高多千瓦CW CO_2激光器的多模梁的质量。实现了辐射轴向亮度和1mRad的角度分歧的八倍增加。研究了工业1.5 kW CW CO_2激光束的特性,其作为谐振器输出镜的时间反射率控制镜。实现了高达2kHz的脉冲重复范围内的光束产生的脉冲周期性状态。

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