首页> 外文会议>Conference on Superintense Light Fields and Ultrafast Processes; 20030630-20030704; St.Petersburg; RU >Femtosecond noncollinear SFG dynamics in autocorrelator setup at low level of photons
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Femtosecond noncollinear SFG dynamics in autocorrelator setup at low level of photons

机译:在低光子水平下自相关器设置中的飞秒非共线SFG动力学

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We report here the characteristics of noncollinear sum frequency generation in nonlinear KDP crystals by ultrashort (80 fsec) IR pulses irradiated by the intense Ti: Sapphire laser and their behavior in single shot auto- crosscorrelator (ACC) configuration. In particular we study the case where one of the beams is very weak. Our aim is develop a procedure to provide delay time signal between light pulses for time resolved pump probe experiments based on the extraction of the phase-matched SHG spatial distribution by means of pulse shape analysis technique. We intend to apply these results to synchronize a weak short-pulse source and an intense Ti: Sapphire laser and to measure the pulse time jitter between them.
机译:我们在这里报告由强Ti:蓝宝石激光照射的超短(80 fsec)IR脉冲在非线性KDP晶体中产生非共线和频率的特性,以及它们在单脉冲自相关器(ACC)配置中的行为。特别地,我们研究其中一束光非常弱的情况。我们的目标是开发一种程序,该程序通过利用脉冲形状分析技术提取相位匹配的SHG空间分布,为时间分辨泵浦探针实验提供光脉冲之间的延迟时间信号。我们打算应用这些结果来同步弱的短脉冲源和强的Ti:蓝宝石激光器,并测量它们之间的脉冲时间抖动。

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