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Date Published: 30/03/2022
Online Published: 30/03/2022
Abstract Views: 187
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DOI: https://doi.org/10.54607/hcmue.js.19.3.3297(2022)
Issue
Vol. 19 No. 3 (2022)
Section
Natural Sciences and Technology
How to Cite
Phạm , N. T. V., Trương , Đ. H. T., Nguyễn , H. H., Quách , Á. M., & Trần , T. H. (2022). CONTROLLING THE NON-SEQUENTIAL DOUBLE IONIZATION PROCESS OF Ar ATOM INDUCED BY A HIGH INTENSITY ORTHOGONAL TWO-COLOR LASER. HCMUE Journal of Science, 19(3), 386. https://doi.org/10.54607/hcmue.js.19.3.3297(2022)

CONTROLLING THE NON-SEQUENTIAL DOUBLE IONIZATION PROCESS OF Ar ATOM INDUCED BY A HIGH INTENSITY ORTHOGONAL TWO-COLOR LASER

Nguyễn Thành Vinh Phạm , Đặng Hoài Thu Trương , Hồng Hạnh Nguyễn , Ái Mi Quách , Thị Hạnh Trần

Main Article Content

Abstract

 

In this study, the three-dimensional classical ensemble model is used to simulate the correlation of two ionized electrons of Ar atom induced by high intensity orthogonal two-color laser fields. The results show that the NSDI events strongly vary with the relative phase and do not depend on the laser intensity. However, the knee structure in the relative phase distribution of Ar2+ signal cannot be observed. Using the trajectory analysis technique, it was found that the recollision time of the first ionized electron and the velocity of the two electrons immediately after the recollision moment strongly depends on the relative phase of the two-color laser pulse, which led to the change in the shape of the correlated two-electron momentum distribution.

 

Keywords

ionization mechanism, nonsequential double ionization process, orthogonal two-color laser field, three-dimensional classical ensemble model

Article Details

References

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