Short pulse laser damage measurements of pulse compression gratings for petawatt laser

G. Razé, J. Néauport, G. Dupuy, M. Balas, G. Mennerat, E. Lavastre
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引用次数: 2

Abstract

An optical bench was developed to measure laser induced damage thresholds in 1:1 and S:1 modes on mirror and grating samples. The laser based on Ti. Sapphire technology delivers Gaussian pulse of 500fs with a maximal energy of 3mJ at 1057nm. The experimental setup can deliver on the sample a peak fluence of 9J/cm2 in right section of the beam with a spot size of 200μm (diameter at 1/e2). Laser induced damage thresholds have been measured on several multidielectric samples produced with different processes. We present in this paper the damage testing setup in details and give some of the obtained results.
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佩瓦激光器脉冲压缩光栅的短脉冲激光损伤测量
建立了一种光学平台,用于测量镜面和光栅样品在1:1和S:1模式下的激光诱导损伤阈值。基于钛的激光器。蓝宝石技术提供500fs的高斯脉冲,在1057nm处最大能量为3mJ。该实验装置在光斑尺寸为200μm(直径为1/e2)的光束右半段可使样品获得9J/cm2的峰值通量。对几种不同工艺制备的多介质样品进行了激光损伤阈值测量。本文详细介绍了损伤试验装置,并给出了一些试验结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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