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Tunable filters for precise spectral gain control in ultra-short-pulse laser systems

机译:可调谐滤波器,用于超短脉冲激光系统中的精确光谱增益控制

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摘要

We present tunable spectral filters (TSFs) as a variable and precisely adjustable method to control the spectral gain of short-pulse laser systems. The TSFs provide a small residual spectral phase and a high damage threshold, and generate no pre- or post-pulses. The method is demonstrated for two different laser materials and can be applied as an intracavity compensation in regenerative amplifiers as well as a method for pre-compensation in high-energy multipass amplifiers. With this method, a full width at half-maximum bandwidth of 23.9 nm could be demonstrated in a diode-pumped, 50 J Yb:CaF2 amplifier. (C) 2016 Optical Society of America
机译:我们介绍可调光谱滤波器(TSFs)作为可变且精确可调的方法来控制短脉冲激光系统的光谱增益。 TSF提供较小的残留频谱相位和较高的损伤阈值,并且不产生前脉冲或后脉冲。该方法针对两种不同的激光材料进行了演示,可以用作再生放大器的腔内补偿,也可以用作高能量多通放大器的预补偿方法。使用这种方法,可以在二极管泵浦的50 J Yb:CaF2放大器中显示23.9 nm的半峰最大带宽。 (C)2016美国眼镜学会

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