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首页> 外文期刊>Journal of Modern Optics >Isolated attosecond pulse generation with the chirped two-color laser field
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Isolated attosecond pulse generation with the chirped two-color laser field

机译:two双色激光场产生孤立的阿秒脉冲

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摘要

We propose a scheme to generate isolated attosecond pulse using a linearly chirped two-color laser field, which includes a fundamental laser field and a weak infrared control laser field in the multicycle regime. The fundamental laser field consists of one linearly up-chirped and one linearly down-chirped pulses. The control pulse is chirped free. We compare the attosecond pulse generated in the chirped two-color field and the chirp-free field. It is found that an IAP can be generated even without carrier envelop phase stabilization in the chirped two-color laser field with a duration of 40 fs. We also discuss the influence of the relative intensity, relative phase, time delay, and chirping parameters on the generation of IAPs.
机译:我们提出了一种使用线性chi双色激光场生成孤立的阿秒脉冲的方案,该多色激光场在多周期方案中包括基本激光场和弱红外控制激光场。基本激光场由一个线性向上线性调频脉冲和一个线性向下线性调频脉冲组成。控制脉冲无free声。我们比较了two双色场和无chi场中产生的阿秒脉冲。发现在持续时间为40 fs的two双色激光场中,即使没有载流子包络相位稳定,也可以生成IAP。我们还将讨论相对强度,相对相位,时间延迟和线性调频参数对IAP生成的影响。

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