Toward an ultrafast double-pulse stretcher–compressor
Toward an ultrafast double-pulse stretcher–compressor
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DOI：
10.1080/09500340.2020.1862330
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发表时间：
2020-11
影响因子：
1.3
通讯作者：
Soroush D. Khosravi;Marco Scipioni;G. Gibson
中科院分区：
文献类型：
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作者：
Soroush D. Khosravi;Marco Scipioni;G. Gibson
介绍了一种可用于拉曼啁啾绝热通过实验的超快双脉冲展宽压缩器的设计。实验PG FROG轨迹获得单脉冲输出这样的拉伸压缩机支持的设计。然而，双脉冲输出的FROG轨迹并不直观，也无法完全检索。因此，开发了一个代码来模拟这些FROG轨迹，并研究它们对双脉冲的两个切片之间的延迟的依赖性。结果在这里，并可以作为诊断工具，在不同的应用中，使用超快激光双脉冲。模拟结果表明，当双脉冲的两个切片之间的延迟与脉冲持续时间相当时，FROG迹线强烈地依赖于该延迟。模拟还表明，使用变换限制的单脉冲作为PG FROG仪器中的门导致更简单的FROG迹线。
The design of an ultrafast double-pulse stretcher–compressor, which can be utilized in applications like Raman chirped adiabatic passage experiments, is presented. Experimental PG FROG traces obtained for a single-pulse output of such a stretcher–compressor support the design. However, the FROG traces of a double-pulse output are not intuitive and not fully retrievable. Therefore, a code was developed to simulate these FROG traces and investigate their dependence on the delay between the two slices of the double-pulse. The results are presented here and can be employed as a diagnostic tool in different applications where ultrafast laser double-pulses are used. The simulations reveal that the FROG traces strongly depend on the delay between the two slices of the double-pulse when this delay is comparable to the pulse duration. The simulations also suggest that using a transform-limited single-pulse as the gate in the PG FROG instrument leads to simpler FROG traces.